diff options
| author | Richard van der Hoff <richard@matrix.org> | 2018-02-13 12:16:01 +0000 |
|---|---|---|
| committer | Richard van der Hoff <richard@matrix.org> | 2018-02-13 12:16:01 +0000 |
| commit | a9b712e9dce119c65fe24913d2a79212ae07a354 (patch) | |
| tree | 2c98b0b3d7d31c59ce41db257c3a18c5b3a2df03 | |
| parent | Factor out common code for search insert (diff) | |
| parent | Merge pull request #2857 from matrix-org/erikj/upload_store (diff) | |
| download | synapse-a9b712e9dce119c65fe24913d2a79212ae07a354.tar.xz | |
Merge branch 'develop' into matthew/gin_work_mem
40 files changed, 1256 insertions, 629 deletions
diff --git a/.gitignore b/.gitignore index 491047c352..c8901eb206 100644 --- a/.gitignore +++ b/.gitignore @@ -46,3 +46,5 @@ static/client/register/register_config.js env/ *.config + +.vscode/ diff --git a/docs/admin_api/media_admin_api.md b/docs/admin_api/media_admin_api.md new file mode 100644 index 0000000000..abdbc1ea86 --- /dev/null +++ b/docs/admin_api/media_admin_api.md @@ -0,0 +1,23 @@ +# List all media in a room + +This API gets a list of known media in a room. + +The API is: +``` +GET /_matrix/client/r0/admin/room/<room_id>/media +``` +including an `access_token` of a server admin. + +It returns a JSON body like the following: +``` +{ + "local": [ + "mxc://localhost/xwvutsrqponmlkjihgfedcba", + "mxc://localhost/abcdefghijklmnopqrstuvwx" + ], + "remote": [ + "mxc://matrix.org/xwvutsrqponmlkjihgfedcba", + "mxc://matrix.org/abcdefghijklmnopqrstuvwx" + ] +} +``` diff --git a/docs/admin_api/purge_history_api.rst b/docs/admin_api/purge_history_api.rst index 08b3306366..b4e5bd9d75 100644 --- a/docs/admin_api/purge_history_api.rst +++ b/docs/admin_api/purge_history_api.rst @@ -4,8 +4,6 @@ Purge History API The purge history API allows server admins to purge historic events from their database, reclaiming disk space. -**NB!** This will not delete local events (locally sent messages content etc) from the database, but will remove lots of the metadata about them and does dramatically reduce the on disk space usage - Depending on the amount of history being purged a call to the API may take several minutes or longer. During this period users will not be able to paginate further back in the room from the point being purged from. @@ -15,3 +13,15 @@ The API is simply: ``POST /_matrix/client/r0/admin/purge_history/<room_id>/<event_id>`` including an ``access_token`` of a server admin. + +By default, events sent by local users are not deleted, as they may represent +the only copies of this content in existence. (Events sent by remote users are +deleted, and room state data before the cutoff is always removed). + +To delete local events as well, set ``delete_local_events`` in the body: + +.. code:: json + + { + "delete_local_events": True, + } diff --git a/synapse/events/snapshot.py b/synapse/events/snapshot.py index e9a732ff03..87e3fe7b97 100644 --- a/synapse/events/snapshot.py +++ b/synapse/events/snapshot.py @@ -25,7 +25,9 @@ class EventContext(object): The current state map excluding the current event. (type, state_key) -> event_id - state_group (int): state group id + state_group (int|None): state group id, if the state has been stored + as a state group. This is usually only None if e.g. the event is + an outlier. rejected (bool|str): A rejection reason if the event was rejected, else False diff --git a/synapse/handlers/directory.py b/synapse/handlers/directory.py index a0464ae5c0..8580ada60a 100644 --- a/synapse/handlers/directory.py +++ b/synapse/handlers/directory.py @@ -34,6 +34,7 @@ class DirectoryHandler(BaseHandler): self.state = hs.get_state_handler() self.appservice_handler = hs.get_application_service_handler() + self.event_creation_handler = hs.get_event_creation_handler() self.federation = hs.get_replication_layer() self.federation.register_query_handler( @@ -249,8 +250,7 @@ class DirectoryHandler(BaseHandler): def send_room_alias_update_event(self, requester, user_id, room_id): aliases = yield self.store.get_aliases_for_room(room_id) - msg_handler = self.hs.get_handlers().message_handler - yield msg_handler.create_and_send_nonmember_event( + yield self.event_creation_handler.create_and_send_nonmember_event( requester, { "type": EventTypes.Aliases, @@ -272,8 +272,7 @@ class DirectoryHandler(BaseHandler): if not alias_event or alias_event.content.get("alias", "") != alias_str: return - msg_handler = self.hs.get_handlers().message_handler - yield msg_handler.create_and_send_nonmember_event( + yield self.event_creation_handler.create_and_send_nonmember_event( requester, { "type": EventTypes.CanonicalAlias, diff --git a/synapse/handlers/federation.py b/synapse/handlers/federation.py index 677532c87b..46bcf8b081 100644 --- a/synapse/handlers/federation.py +++ b/synapse/handlers/federation.py @@ -1,5 +1,6 @@ # -*- coding: utf-8 -*- # Copyright 2014-2016 OpenMarket Ltd +# Copyright 2018 New Vector Ltd # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. @@ -75,6 +76,7 @@ class FederationHandler(BaseHandler): self.is_mine_id = hs.is_mine_id self.pusher_pool = hs.get_pusherpool() self.spam_checker = hs.get_spam_checker() + self.event_creation_handler = hs.get_event_creation_handler() self.replication_layer.set_handler(self) @@ -808,13 +810,12 @@ class FederationHandler(BaseHandler): event_ids = list(extremities.keys()) logger.debug("calling resolve_state_groups in _maybe_backfill") + resolve = logcontext.preserve_fn( + self.state_handler.resolve_state_groups_for_events + ) states = yield logcontext.make_deferred_yieldable(defer.gatherResults( - [ - logcontext.preserve_fn(self.state_handler.resolve_state_groups)( - room_id, [e] - ) - for e in event_ids - ], consumeErrors=True, + [resolve(room_id, [e]) for e in event_ids], + consumeErrors=True, )) states = dict(zip(event_ids, [s.state for s in states])) @@ -1008,8 +1009,7 @@ class FederationHandler(BaseHandler): }) try: - message_handler = self.hs.get_handlers().message_handler - event, context = yield message_handler._create_new_client_event( + event, context = yield self.event_creation_handler.create_new_client_event( builder=builder, ) except AuthError as e: @@ -1249,8 +1249,7 @@ class FederationHandler(BaseHandler): "state_key": user_id, }) - message_handler = self.hs.get_handlers().message_handler - event, context = yield message_handler._create_new_client_event( + event, context = yield self.event_creation_handler.create_new_client_event( builder=builder, ) @@ -1832,8 +1831,8 @@ class FederationHandler(BaseHandler): current_state = set(e.event_id for e in auth_events.values()) different_auth = event_auth_events - current_state - self._update_context_for_auth_events( - context, auth_events, event_key, + yield self._update_context_for_auth_events( + event, context, auth_events, event_key, ) if different_auth and not event.internal_metadata.is_outlier(): @@ -1914,8 +1913,8 @@ class FederationHandler(BaseHandler): # 4. Look at rejects and their proofs. # TODO. - self._update_context_for_auth_events( - context, auth_events, event_key, + yield self._update_context_for_auth_events( + event, context, auth_events, event_key, ) try: @@ -1924,11 +1923,15 @@ class FederationHandler(BaseHandler): logger.warn("Failed auth resolution for %r because %s", event, e) raise e - def _update_context_for_auth_events(self, context, auth_events, + @defer.inlineCallbacks + def _update_context_for_auth_events(self, event, context, auth_events, event_key): - """Update the state_ids in an event context after auth event resolution + """Update the state_ids in an event context after auth event resolution, + storing the changes as a new state group. Args: + event (Event): The event we're handling the context for + context (synapse.events.snapshot.EventContext): event context to be updated @@ -1951,7 +1954,13 @@ class FederationHandler(BaseHandler): context.prev_state_ids.update({ k: a.event_id for k, a in auth_events.iteritems() }) - context.state_group = self.store.get_next_state_group() + context.state_group = yield self.store.store_state_group( + event.event_id, + event.room_id, + prev_group=context.prev_group, + delta_ids=context.delta_ids, + current_state_ids=context.current_state_ids, + ) @defer.inlineCallbacks def construct_auth_difference(self, local_auth, remote_auth): @@ -2121,8 +2130,7 @@ class FederationHandler(BaseHandler): if (yield self.auth.check_host_in_room(room_id, self.hs.hostname)): builder = self.event_builder_factory.new(event_dict) EventValidator().validate_new(builder) - message_handler = self.hs.get_handlers().message_handler - event, context = yield message_handler._create_new_client_event( + event, context = yield self.event_creation_handler.create_new_client_event( builder=builder ) @@ -2160,8 +2168,7 @@ class FederationHandler(BaseHandler): """ builder = self.event_builder_factory.new(event_dict) - message_handler = self.hs.get_handlers().message_handler - event, context = yield message_handler._create_new_client_event( + event, context = yield self.event_creation_handler.create_new_client_event( builder=builder, ) @@ -2211,8 +2218,9 @@ class FederationHandler(BaseHandler): builder = self.event_builder_factory.new(event_dict) EventValidator().validate_new(builder) - message_handler = self.hs.get_handlers().message_handler - event, context = yield message_handler._create_new_client_event(builder=builder) + event, context = yield self.event_creation_handler.create_new_client_event( + builder=builder, + ) defer.returnValue((event, context)) @defer.inlineCallbacks diff --git a/synapse/handlers/message.py b/synapse/handlers/message.py index 21f1717dd2..4e9752ccbd 100644 --- a/synapse/handlers/message.py +++ b/synapse/handlers/message.py @@ -1,6 +1,6 @@ # -*- coding: utf-8 -*- # Copyright 2014 - 2016 OpenMarket Ltd -# Copyright 2017 New Vector Ltd +# Copyright 2017 - 2018 New Vector Ltd # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. @@ -47,23 +47,11 @@ class MessageHandler(BaseHandler): self.hs = hs self.state = hs.get_state_handler() self.clock = hs.get_clock() - self.validator = EventValidator() - self.profile_handler = hs.get_profile_handler() self.pagination_lock = ReadWriteLock() - self.pusher_pool = hs.get_pusherpool() - - # We arbitrarily limit concurrent event creation for a room to 5. - # This is to stop us from diverging history *too* much. - self.limiter = Limiter(max_count=5) - - self.action_generator = hs.get_action_generator() - - self.spam_checker = hs.get_spam_checker() - @defer.inlineCallbacks - def purge_history(self, room_id, event_id): + def purge_history(self, room_id, event_id, delete_local_events=False): event = yield self.store.get_event(event_id) if event.room_id != room_id: @@ -72,7 +60,7 @@ class MessageHandler(BaseHandler): depth = event.depth with (yield self.pagination_lock.write(room_id)): - yield self.store.delete_old_state(room_id, depth) + yield self.store.purge_history(room_id, depth, delete_local_events) @defer.inlineCallbacks def get_messages(self, requester, room_id=None, pagin_config=None, @@ -183,6 +171,162 @@ class MessageHandler(BaseHandler): defer.returnValue(chunk) @defer.inlineCallbacks + def get_room_data(self, user_id=None, room_id=None, + event_type=None, state_key="", is_guest=False): + """ Get data from a room. + + Args: + event : The room path event + Returns: + The path data content. + Raises: + SynapseError if something went wrong. + """ + membership, membership_event_id = yield self._check_in_room_or_world_readable( + room_id, user_id + ) + + if membership == Membership.JOIN: + data = yield self.state_handler.get_current_state( + room_id, event_type, state_key + ) + elif membership == Membership.LEAVE: + key = (event_type, state_key) + room_state = yield self.store.get_state_for_events( + [membership_event_id], [key] + ) + data = room_state[membership_event_id].get(key) + + defer.returnValue(data) + + @defer.inlineCallbacks + def _check_in_room_or_world_readable(self, room_id, user_id): + try: + # check_user_was_in_room will return the most recent membership + # event for the user if: + # * The user is a non-guest user, and was ever in the room + # * The user is a guest user, and has joined the room + # else it will throw. + member_event = yield self.auth.check_user_was_in_room(room_id, user_id) + defer.returnValue((member_event.membership, member_event.event_id)) + return + except AuthError: + visibility = yield self.state_handler.get_current_state( + room_id, EventTypes.RoomHistoryVisibility, "" + ) + if ( + visibility and + visibility.content["history_visibility"] == "world_readable" + ): + defer.returnValue((Membership.JOIN, None)) + return + raise AuthError( + 403, "Guest access not allowed", errcode=Codes.GUEST_ACCESS_FORBIDDEN + ) + + @defer.inlineCallbacks + def get_state_events(self, user_id, room_id, is_guest=False): + """Retrieve all state events for a given room. If the user is + joined to the room then return the current state. If the user has + left the room return the state events from when they left. + + Args: + user_id(str): The user requesting state events. + room_id(str): The room ID to get all state events from. + Returns: + A list of dicts representing state events. [{}, {}, {}] + """ + membership, membership_event_id = yield self._check_in_room_or_world_readable( + room_id, user_id + ) + + if membership == Membership.JOIN: + room_state = yield self.state_handler.get_current_state(room_id) + elif membership == Membership.LEAVE: + room_state = yield self.store.get_state_for_events( + [membership_event_id], None + ) + room_state = room_state[membership_event_id] + + now = self.clock.time_msec() + defer.returnValue( + [serialize_event(c, now) for c in room_state.values()] + ) + + @defer.inlineCallbacks + def get_joined_members(self, requester, room_id): + """Get all the joined members in the room and their profile information. + + If the user has left the room return the state events from when they left. + + Args: + requester(Requester): The user requesting state events. + room_id(str): The room ID to get all state events from. + Returns: + A dict of user_id to profile info + """ + user_id = requester.user.to_string() + if not requester.app_service: + # We check AS auth after fetching the room membership, as it + # requires us to pull out all joined members anyway. + membership, _ = yield self._check_in_room_or_world_readable( + room_id, user_id + ) + if membership != Membership.JOIN: + raise NotImplementedError( + "Getting joined members after leaving is not implemented" + ) + + users_with_profile = yield self.state.get_current_user_in_room(room_id) + + # If this is an AS, double check that they are allowed to see the members. + # This can either be because the AS user is in the room or becuase there + # is a user in the room that the AS is "interested in" + if requester.app_service and user_id not in users_with_profile: + for uid in users_with_profile: + if requester.app_service.is_interested_in_user(uid): + break + else: + # Loop fell through, AS has no interested users in room + raise AuthError(403, "Appservice not in room") + + defer.returnValue({ + user_id: { + "avatar_url": profile.avatar_url, + "display_name": profile.display_name, + } + for user_id, profile in users_with_profile.iteritems() + }) + + +class EventCreationHandler(object): + def __init__(self, hs): + self.hs = hs + self.auth = hs.get_auth() + self.store = hs.get_datastore() + self.state = hs.get_state_handler() + self.clock = hs.get_clock() + self.validator = EventValidator() + self.profile_handler = hs.get_profile_handler() + self.event_builder_factory = hs.get_event_builder_factory() + self.server_name = hs.hostname + self.ratelimiter = hs.get_ratelimiter() + self.notifier = hs.get_notifier() + + # This is only used to get at ratelimit function, and maybe_kick_guest_users + self.base_handler = BaseHandler(hs) + + self.pusher_pool = hs.get_pusherpool() + + # We arbitrarily limit concurrent event creation for a room to 5. + # This is to stop us from diverging history *too* much. + self.limiter = Limiter(max_count=5) + + self.action_generator = hs.get_action_generator() + + self.spam_checker = hs.get_spam_checker() + + @defer.inlineCallbacks def create_event(self, requester, event_dict, token_id=None, txn_id=None, prev_event_ids=None): """ @@ -234,7 +378,7 @@ class MessageHandler(BaseHandler): if txn_id is not None: builder.internal_metadata.txn_id = txn_id - event, context = yield self._create_new_client_event( + event, context = yield self.create_new_client_event( builder=builder, requester=requester, prev_event_ids=prev_event_ids, @@ -259,11 +403,6 @@ class MessageHandler(BaseHandler): "Tried to send member event through non-member codepath" ) - # We check here if we are currently being rate limited, so that we - # don't do unnecessary work. We check again just before we actually - # send the event. - yield self.ratelimit(requester, update=False) - user = UserID.from_string(event.sender) assert self.hs.is_mine(user), "User must be our own: %s" % (user,) @@ -342,137 +481,9 @@ class MessageHandler(BaseHandler): ) defer.returnValue(event) + @measure_func("create_new_client_event") @defer.inlineCallbacks - def get_room_data(self, user_id=None, room_id=None, - event_type=None, state_key="", is_guest=False): - """ Get data from a room. - - Args: - event : The room path event - Returns: - The path data content. - Raises: - SynapseError if something went wrong. - """ - membership, membership_event_id = yield self._check_in_room_or_world_readable( - room_id, user_id - ) - - if membership == Membership.JOIN: - data = yield self.state_handler.get_current_state( - room_id, event_type, state_key - ) - elif membership == Membership.LEAVE: - key = (event_type, state_key) - room_state = yield self.store.get_state_for_events( - [membership_event_id], [key] - ) - data = room_state[membership_event_id].get(key) - - defer.returnValue(data) - - @defer.inlineCallbacks - def _check_in_room_or_world_readable(self, room_id, user_id): - try: - # check_user_was_in_room will return the most recent membership - # event for the user if: - # * The user is a non-guest user, and was ever in the room - # * The user is a guest user, and has joined the room - # else it will throw. - member_event = yield self.auth.check_user_was_in_room(room_id, user_id) - defer.returnValue((member_event.membership, member_event.event_id)) - return - except AuthError: - visibility = yield self.state_handler.get_current_state( - room_id, EventTypes.RoomHistoryVisibility, "" - ) - if ( - visibility and - visibility.content["history_visibility"] == "world_readable" - ): - defer.returnValue((Membership.JOIN, None)) - return - raise AuthError( - 403, "Guest access not allowed", errcode=Codes.GUEST_ACCESS_FORBIDDEN - ) - - @defer.inlineCallbacks - def get_state_events(self, user_id, room_id, is_guest=False): - """Retrieve all state events for a given room. If the user is - joined to the room then return the current state. If the user has - left the room return the state events from when they left. - - Args: - user_id(str): The user requesting state events. - room_id(str): The room ID to get all state events from. - Returns: - A list of dicts representing state events. [{}, {}, {}] - """ - membership, membership_event_id = yield self._check_in_room_or_world_readable( - room_id, user_id - ) - - if membership == Membership.JOIN: - room_state = yield self.state_handler.get_current_state(room_id) - elif membership == Membership.LEAVE: - room_state = yield self.store.get_state_for_events( - [membership_event_id], None - ) - room_state = room_state[membership_event_id] - - now = self.clock.time_msec() - defer.returnValue( - [serialize_event(c, now) for c in room_state.values()] - ) - - @defer.inlineCallbacks - def get_joined_members(self, requester, room_id): - """Get all the joined members in the room and their profile information. - - If the user has left the room return the state events from when they left. - - Args: - requester(Requester): The user requesting state events. - room_id(str): The room ID to get all state events from. - Returns: - A dict of user_id to profile info - """ - user_id = requester.user.to_string() - if not requester.app_service: - # We check AS auth after fetching the room membership, as it - # requires us to pull out all joined members anyway. - membership, _ = yield self._check_in_room_or_world_readable( - room_id, user_id - ) - if membership != Membership.JOIN: - raise NotImplementedError( - "Getting joined members after leaving is not implemented" - ) - - users_with_profile = yield self.state.get_current_user_in_room(room_id) - - # If this is an AS, double check that they are allowed to see the members. - # This can either be because the AS user is in the room or becuase there - # is a user in the room that the AS is "interested in" - if requester.app_service and user_id not in users_with_profile: - for uid in users_with_profile: - if requester.app_service.is_interested_in_user(uid): - break - else: - # Loop fell through, AS has no interested users in room - raise AuthError(403, "Appservice not in room") - - defer.returnValue({ - user_id: { - "avatar_url": profile.avatar_url, - "display_name": profile.display_name, - } - for user_id, profile in users_with_profile.iteritems() - }) - - @measure_func("_create_new_client_event") - @defer.inlineCallbacks - def _create_new_client_event(self, builder, requester=None, prev_event_ids=None): + def create_new_client_event(self, builder, requester=None, prev_event_ids=None): if prev_event_ids: prev_events = yield self.store.add_event_hashes(prev_event_ids) prev_max_depth = yield self.store.get_max_depth_of_events(prev_event_ids) @@ -509,9 +520,7 @@ class MessageHandler(BaseHandler): builder.prev_events = prev_events builder.depth = depth - state_handler = self.state_handler - - context = yield state_handler.compute_event_context(builder) + context = yield self.state.compute_event_context(builder) if requester: context.app_service = requester.app_service @@ -551,7 +560,7 @@ class MessageHandler(BaseHandler): # We now need to go and hit out to wherever we need to hit out to. if ratelimit: - yield self.ratelimit(requester) + yield self.base_handler.ratelimit(requester) try: yield self.auth.check_from_context(event, context) @@ -567,7 +576,7 @@ class MessageHandler(BaseHandler): logger.exception("Failed to encode content: %r", event.content) raise - yield self.maybe_kick_guest_users(event, context) + yield self.base_handler.maybe_kick_guest_users(event, context) if event.type == EventTypes.CanonicalAlias: # Check the alias is acually valid (at this time at least) diff --git a/synapse/handlers/room.py b/synapse/handlers/room.py index d1cc87a016..6ab020bf41 100644 --- a/synapse/handlers/room.py +++ b/synapse/handlers/room.py @@ -1,5 +1,6 @@ # -*- coding: utf-8 -*- # Copyright 2014 - 2016 OpenMarket Ltd +# Copyright 2018 New Vector Ltd # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. @@ -64,6 +65,7 @@ class RoomCreationHandler(BaseHandler): super(RoomCreationHandler, self).__init__(hs) self.spam_checker = hs.get_spam_checker() + self.event_creation_handler = hs.get_event_creation_handler() @defer.inlineCallbacks def create_room(self, requester, config, ratelimit=True): @@ -163,13 +165,11 @@ class RoomCreationHandler(BaseHandler): creation_content = config.get("creation_content", {}) - msg_handler = self.hs.get_handlers().message_handler room_member_handler = self.hs.get_handlers().room_member_handler yield self._send_events_for_new_room( requester, room_id, - msg_handler, room_member_handler, preset_config=preset_config, invite_list=invite_list, @@ -181,7 +181,7 @@ class RoomCreationHandler(BaseHandler): if "name" in config: name = config["name"] - yield msg_handler.create_and_send_nonmember_event( + yield self.event_creation_handler.create_and_send_nonmember_event( requester, { "type": EventTypes.Name, @@ -194,7 +194,7 @@ class RoomCreationHandler(BaseHandler): if "topic" in config: topic = config["topic"] - yield msg_handler.create_and_send_nonmember_event( + yield self.event_creation_handler.create_and_send_nonmember_event( requester, { "type": EventTypes.Topic, @@ -249,7 +249,6 @@ class RoomCreationHandler(BaseHandler): self, creator, # A Requester object. room_id, - msg_handler, room_member_handler, preset_config, invite_list, @@ -272,7 +271,7 @@ class RoomCreationHandler(BaseHandler): @defer.inlineCallbacks def send(etype, content, **kwargs): event = create(etype, content, **kwargs) - yield msg_handler.create_and_send_nonmember_event( + yield self.event_creation_handler.create_and_send_nonmember_event( creator, event, ratelimit=False diff --git a/synapse/handlers/room_member.py b/synapse/handlers/room_member.py index 7e6467cd1d..37dc5e99ab 100644 --- a/synapse/handlers/room_member.py +++ b/synapse/handlers/room_member.py @@ -1,5 +1,6 @@ # -*- coding: utf-8 -*- # Copyright 2016 OpenMarket Ltd +# Copyright 2018 New Vector Ltd # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. @@ -46,6 +47,7 @@ class RoomMemberHandler(BaseHandler): super(RoomMemberHandler, self).__init__(hs) self.profile_handler = hs.get_profile_handler() + self.event_creation_hander = hs.get_event_creation_handler() self.member_linearizer = Linearizer(name="member") @@ -66,13 +68,12 @@ class RoomMemberHandler(BaseHandler): ): if content is None: content = {} - msg_handler = self.hs.get_handlers().message_handler content["membership"] = membership if requester.is_guest: content["kind"] = "guest" - event, context = yield msg_handler.create_event( + event, context = yield self.event_creation_hander.create_event( requester, { "type": EventTypes.Member, @@ -90,12 +91,14 @@ class RoomMemberHandler(BaseHandler): ) # Check if this event matches the previous membership event for the user. - duplicate = yield msg_handler.deduplicate_state_event(event, context) + duplicate = yield self.event_creation_hander.deduplicate_state_event( + event, context, + ) if duplicate is not None: # Discard the new event since this membership change is a no-op. defer.returnValue(duplicate) - yield msg_handler.handle_new_client_event( + yield self.event_creation_hander.handle_new_client_event( requester, event, context, @@ -394,8 +397,9 @@ class RoomMemberHandler(BaseHandler): else: requester = synapse.types.create_requester(target_user) - message_handler = self.hs.get_handlers().message_handler - prev_event = yield message_handler.deduplicate_state_event(event, context) + prev_event = yield self.event_creation_hander.deduplicate_state_event( + event, context, + ) if prev_event is not None: return @@ -412,7 +416,7 @@ class RoomMemberHandler(BaseHandler): if is_blocked: raise SynapseError(403, "This room has been blocked on this server") - yield message_handler.handle_new_client_event( + yield self.event_creation_hander.handle_new_client_event( requester, event, context, @@ -644,8 +648,7 @@ class RoomMemberHandler(BaseHandler): ) ) - msg_handler = self.hs.get_handlers().message_handler - yield msg_handler.create_and_send_nonmember_event( + yield self.event_creation_hander.create_and_send_nonmember_event( requester, { "type": EventTypes.ThirdPartyInvite, diff --git a/synapse/http/servlet.py b/synapse/http/servlet.py index 71420e54db..ef8e62901b 100644 --- a/synapse/http/servlet.py +++ b/synapse/http/servlet.py @@ -148,11 +148,13 @@ def parse_string_from_args(args, name, default=None, required=False, return default -def parse_json_value_from_request(request): +def parse_json_value_from_request(request, allow_empty_body=False): """Parse a JSON value from the body of a twisted HTTP request. Args: request: the twisted HTTP request. + allow_empty_body (bool): if True, an empty body will be accepted and + turned into None Returns: The JSON value. @@ -165,6 +167,9 @@ def parse_json_value_from_request(request): except Exception: raise SynapseError(400, "Error reading JSON content.") + if not content_bytes and allow_empty_body: + return None + try: content = simplejson.loads(content_bytes) except Exception as e: @@ -174,17 +179,24 @@ def parse_json_value_from_request(request): return content -def parse_json_object_from_request(request): +def parse_json_object_from_request(request, allow_empty_body=False): """Parse a JSON object from the body of a twisted HTTP request. Args: request: the twisted HTTP request. + allow_empty_body (bool): if True, an empty body will be accepted and + turned into an empty dict. Raises: SynapseError if the request body couldn't be decoded as JSON or if it wasn't a JSON object. """ - content = parse_json_value_from_request(request) + content = parse_json_value_from_request( + request, allow_empty_body=allow_empty_body, + ) + + if allow_empty_body and content is None: + return {} if type(content) != dict: message = "Content must be a JSON object." diff --git a/synapse/metrics/metric.py b/synapse/metrics/metric.py index 1e783e5ff4..ff5aa8c0e1 100644 --- a/synapse/metrics/metric.py +++ b/synapse/metrics/metric.py @@ -193,7 +193,9 @@ class DistributionMetric(object): class CacheMetric(object): - __slots__ = ("name", "cache_name", "hits", "misses", "size_callback") + __slots__ = ( + "name", "cache_name", "hits", "misses", "evicted_size", "size_callback", + ) def __init__(self, name, size_callback, cache_name): self.name = name @@ -201,6 +203,7 @@ class CacheMetric(object): self.hits = 0 self.misses = 0 + self.evicted_size = 0 self.size_callback = size_callback @@ -210,6 +213,9 @@ class CacheMetric(object): def inc_misses(self): self.misses += 1 + def inc_evictions(self, size=1): + self.evicted_size += size + def render(self): size = self.size_callback() hits = self.hits @@ -219,6 +225,9 @@ class CacheMetric(object): """%s:hits{name="%s"} %d""" % (self.name, self.cache_name, hits), """%s:total{name="%s"} %d""" % (self.name, self.cache_name, total), """%s:size{name="%s"} %d""" % (self.name, self.cache_name, size), + """%s:evicted_size{name="%s"} %d""" % ( + self.name, self.cache_name, self.evicted_size + ), ] diff --git a/synapse/replication/slave/storage/events.py b/synapse/replication/slave/storage/events.py index 29d7296b43..8acb5df0f3 100644 --- a/synapse/replication/slave/storage/events.py +++ b/synapse/replication/slave/storage/events.py @@ -19,7 +19,7 @@ from synapse.storage import DataStore from synapse.storage.event_federation import EventFederationStore from synapse.storage.event_push_actions import EventPushActionsStore from synapse.storage.roommember import RoomMemberStore -from synapse.storage.state import StateGroupReadStore +from synapse.storage.state import StateGroupWorkerStore from synapse.storage.stream import StreamStore from synapse.util.caches.stream_change_cache import StreamChangeCache from ._base import BaseSlavedStore @@ -37,7 +37,7 @@ logger = logging.getLogger(__name__) # the method descriptor on the DataStore and chuck them into our class. -class SlavedEventStore(StateGroupReadStore, BaseSlavedStore): +class SlavedEventStore(StateGroupWorkerStore, BaseSlavedStore): def __init__(self, db_conn, hs): super(SlavedEventStore, self).__init__(db_conn, hs) diff --git a/synapse/rest/client/v1/admin.py b/synapse/rest/client/v1/admin.py index 5022808ea9..2ad486c67d 100644 --- a/synapse/rest/client/v1/admin.py +++ b/synapse/rest/client/v1/admin.py @@ -1,5 +1,6 @@ # -*- coding: utf-8 -*- # Copyright 2014-2016 OpenMarket Ltd +# Copyright 2018 New Vector Ltd # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. @@ -128,7 +129,16 @@ class PurgeHistoryRestServlet(ClientV1RestServlet): if not is_admin: raise AuthError(403, "You are not a server admin") - yield self.handlers.message_handler.purge_history(room_id, event_id) + body = parse_json_object_from_request(request, allow_empty_body=True) + + delete_local_events = bool( + body.get("delete_local_history", False) + ) + + yield self.handlers.message_handler.purge_history( + room_id, event_id, + delete_local_events=delete_local_events, + ) defer.returnValue((200, {})) @@ -171,6 +181,7 @@ class ShutdownRoomRestServlet(ClientV1RestServlet): self.store = hs.get_datastore() self.handlers = hs.get_handlers() self.state = hs.get_state_handler() + self.event_creation_handler = hs.get_event_creation_handler() @defer.inlineCallbacks def on_POST(self, request, room_id): @@ -203,8 +214,7 @@ class ShutdownRoomRestServlet(ClientV1RestServlet): ) new_room_id = info["room_id"] - msg_handler = self.handlers.message_handler - yield msg_handler.create_and_send_nonmember_event( + yield self.event_creation_handler.create_and_send_nonmember_event( room_creator_requester, { "type": "m.room.message", @@ -289,6 +299,27 @@ class QuarantineMediaInRoom(ClientV1RestServlet): defer.returnValue((200, {"num_quarantined": num_quarantined})) +class ListMediaInRoom(ClientV1RestServlet): + """Lists all of the media in a given room. + """ + PATTERNS = client_path_patterns("/admin/room/(?P<room_id>[^/]+)/media") + + def __init__(self, hs): + super(ListMediaInRoom, self).__init__(hs) + self.store = hs.get_datastore() + + @defer.inlineCallbacks + def on_GET(self, request, room_id): + requester = yield self.auth.get_user_by_req(request) + is_admin = yield self.auth.is_server_admin(requester.user) + if not is_admin: + raise AuthError(403, "You are not a server admin") + + local_mxcs, remote_mxcs = yield self.store.get_media_mxcs_in_room(room_id) + + defer.returnValue((200, {"local": local_mxcs, "remote": remote_mxcs})) + + class ResetPasswordRestServlet(ClientV1RestServlet): """Post request to allow an administrator reset password for a user. This needs user to have administrator access in Synapse. @@ -487,3 +518,4 @@ def register_servlets(hs, http_server): SearchUsersRestServlet(hs).register(http_server) ShutdownRoomRestServlet(hs).register(http_server) QuarantineMediaInRoom(hs).register(http_server) + ListMediaInRoom(hs).register(http_server) diff --git a/synapse/rest/client/v1/room.py b/synapse/rest/client/v1/room.py index 867ec8602c..fbb2fc36e4 100644 --- a/synapse/rest/client/v1/room.py +++ b/synapse/rest/client/v1/room.py @@ -1,5 +1,6 @@ # -*- coding: utf-8 -*- # Copyright 2014-2016 OpenMarket Ltd +# Copyright 2018 New Vector Ltd # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. @@ -82,6 +83,7 @@ class RoomStateEventRestServlet(ClientV1RestServlet): def __init__(self, hs): super(RoomStateEventRestServlet, self).__init__(hs) self.handlers = hs.get_handlers() + self.event_creation_hander = hs.get_event_creation_handler() def register(self, http_server): # /room/$roomid/state/$eventtype @@ -162,15 +164,16 @@ class RoomStateEventRestServlet(ClientV1RestServlet): content=content, ) else: - msg_handler = self.handlers.message_handler - event, context = yield msg_handler.create_event( + event, context = yield self.event_creation_hander.create_event( requester, event_dict, token_id=requester.access_token_id, txn_id=txn_id, ) - yield msg_handler.send_nonmember_event(requester, event, context) + yield self.event_creation_hander.send_nonmember_event( + requester, event, context, + ) ret = {} if event: @@ -184,6 +187,7 @@ class RoomSendEventRestServlet(ClientV1RestServlet): def __init__(self, hs): super(RoomSendEventRestServlet, self).__init__(hs) self.handlers = hs.get_handlers() + self.event_creation_hander = hs.get_event_creation_handler() def register(self, http_server): # /rooms/$roomid/send/$event_type[/$txn_id] @@ -205,8 +209,7 @@ class RoomSendEventRestServlet(ClientV1RestServlet): if 'ts' in request.args and requester.app_service: event_dict['origin_server_ts'] = parse_integer(request, "ts", 0) - msg_handler = self.handlers.message_handler - event = yield msg_handler.create_and_send_nonmember_event( + event = yield self.event_creation_hander.create_and_send_nonmember_event( requester, event_dict, txn_id=txn_id, @@ -670,6 +673,7 @@ class RoomRedactEventRestServlet(ClientV1RestServlet): def __init__(self, hs): super(RoomRedactEventRestServlet, self).__init__(hs) self.handlers = hs.get_handlers() + self.event_creation_handler = hs.get_event_creation_handler() def register(self, http_server): PATTERNS = ("/rooms/(?P<room_id>[^/]*)/redact/(?P<event_id>[^/]*)") @@ -680,8 +684,7 @@ class RoomRedactEventRestServlet(ClientV1RestServlet): requester = yield self.auth.get_user_by_req(request) content = parse_json_object_from_request(request) - msg_handler = self.handlers.message_handler - event = yield msg_handler.create_and_send_nonmember_event( + event = yield self.event_creation_handler.create_and_send_nonmember_event( requester, { "type": EventTypes.Redaction, diff --git a/synapse/rest/media/v1/media_repository.py b/synapse/rest/media/v1/media_repository.py index 485db8577a..bb79599379 100644 --- a/synapse/rest/media/v1/media_repository.py +++ b/synapse/rest/media/v1/media_repository.py @@ -472,8 +472,10 @@ class MediaRepository(object): @defer.inlineCallbacks def generate_local_exact_thumbnail(self, media_id, t_width, t_height, - t_method, t_type): - input_path = self.filepaths.local_media_filepath(media_id) + t_method, t_type, url_cache): + input_path = yield self.media_storage.ensure_media_is_in_local_cache(FileInfo( + None, media_id, url_cache=url_cache, + )) thumbnailer = Thumbnailer(input_path) t_byte_source = yield make_deferred_yieldable(threads.deferToThread( @@ -486,6 +488,7 @@ class MediaRepository(object): file_info = FileInfo( server_name=None, file_id=media_id, + url_cache=url_cache, thumbnail=True, thumbnail_width=t_width, thumbnail_height=t_height, @@ -512,7 +515,9 @@ class MediaRepository(object): @defer.inlineCallbacks def generate_remote_exact_thumbnail(self, server_name, file_id, media_id, t_width, t_height, t_method, t_type): - input_path = self.filepaths.remote_media_filepath(server_name, file_id) + input_path = yield self.media_storage.ensure_media_is_in_local_cache(FileInfo( + server_name, file_id, url_cache=False, + )) thumbnailer = Thumbnailer(input_path) t_byte_source = yield make_deferred_yieldable(threads.deferToThread( @@ -570,12 +575,9 @@ class MediaRepository(object): if not requirements: return - if server_name: - input_path = self.filepaths.remote_media_filepath(server_name, file_id) - elif url_cache: - input_path = self.filepaths.url_cache_filepath(media_id) - else: - input_path = self.filepaths.local_media_filepath(media_id) + input_path = yield self.media_storage.ensure_media_is_in_local_cache(FileInfo( + server_name, file_id, url_cache=url_cache, + )) thumbnailer = Thumbnailer(input_path) m_width = thumbnailer.width diff --git a/synapse/rest/media/v1/media_storage.py b/synapse/rest/media/v1/media_storage.py index 041ae396cd..3f8d4b9c22 100644 --- a/synapse/rest/media/v1/media_storage.py +++ b/synapse/rest/media/v1/media_storage.py @@ -18,6 +18,7 @@ from twisted.protocols.basic import FileSender from ._base import Responder +from synapse.util.file_consumer import BackgroundFileConsumer from synapse.util.logcontext import make_deferred_yieldable import contextlib @@ -26,6 +27,7 @@ import logging import shutil import sys + logger = logging.getLogger(__name__) @@ -68,6 +70,12 @@ class MediaStorage(object): _write_file_synchronously, source, fname, )) + # Tell the storage providers about the new file. They'll decide + # if they should upload it and whether to do so synchronously + # or not. + for provider in self.storage_providers: + yield provider.store_file(path, file_info) + defer.returnValue(fname) @contextlib.contextmanager @@ -151,6 +159,37 @@ class MediaStorage(object): defer.returnValue(None) + @defer.inlineCallbacks + def ensure_media_is_in_local_cache(self, file_info): + """Ensures that the given file is in the local cache. Attempts to + download it from storage providers if it isn't. + + Args: + file_info (FileInfo) + + Returns: + Deferred[str]: Full path to local file + """ + path = self._file_info_to_path(file_info) + local_path = os.path.join(self.local_media_directory, path) + if os.path.exists(local_path): + defer.returnValue(local_path) + + dirname = os.path.dirname(local_path) + if not os.path.exists(dirname): + os.makedirs(dirname) + + for provider in self.storage_providers: + res = yield provider.fetch(path, file_info) + if res: + with res: + consumer = BackgroundFileConsumer(open(local_path, "w")) + yield res.write_to_consumer(consumer) + yield consumer.wait() + defer.returnValue(local_path) + + raise Exception("file could not be found") + def _file_info_to_path(self, file_info): """Converts file_info into a relative path. @@ -228,9 +267,8 @@ class FileResponder(Responder): def __init__(self, open_file): self.open_file = open_file - @defer.inlineCallbacks def write_to_consumer(self, consumer): - yield FileSender().beginFileTransfer(self.open_file, consumer) + return FileSender().beginFileTransfer(self.open_file, consumer) def __exit__(self, exc_type, exc_val, exc_tb): self.open_file.close() diff --git a/synapse/rest/media/v1/preview_url_resource.py b/synapse/rest/media/v1/preview_url_resource.py index 981f01e417..31fe7aa75c 100644 --- a/synapse/rest/media/v1/preview_url_resource.py +++ b/synapse/rest/media/v1/preview_url_resource.py @@ -12,6 +12,19 @@ # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. +import cgi +import datetime +import errno +import fnmatch +import itertools +import logging +import os +import re +import shutil +import sys +import traceback +import ujson as json +import urlparse from twisted.web.server import NOT_DONE_YET from twisted.internet import defer @@ -33,18 +46,6 @@ from synapse.http.server import ( from synapse.util.async import ObservableDeferred from synapse.util.stringutils import is_ascii -import os -import re -import fnmatch -import cgi -import ujson as json -import urlparse -import itertools -import datetime -import errno -import shutil - -import logging logger = logging.getLogger(__name__) @@ -286,17 +287,28 @@ class PreviewUrlResource(Resource): url_cache=True, ) - try: - with self.media_storage.store_into_file(file_info) as (f, fname, finish): + with self.media_storage.store_into_file(file_info) as (f, fname, finish): + try: logger.debug("Trying to get url '%s'" % url) length, headers, uri, code = yield self.client.get_file( url, output_stream=f, max_size=self.max_spider_size, ) + except Exception as e: # FIXME: pass through 404s and other error messages nicely + logger.warn("Error downloading %s: %r", url, e) + raise SynapseError( + 500, "Failed to download content: %s" % ( + traceback.format_exception_only(sys.exc_type, e), + ), + Codes.UNKNOWN, + ) + yield finish() - yield finish() - - media_type = headers["Content-Type"][0] + try: + if "Content-Type" in headers: + media_type = headers["Content-Type"][0] + else: + media_type = "application/octet-stream" time_now_ms = self.clock.time_msec() content_disposition = headers.get("Content-Disposition", None) @@ -336,10 +348,11 @@ class PreviewUrlResource(Resource): ) except Exception as e: - raise SynapseError( - 500, ("Failed to download content: %s" % e), - Codes.UNKNOWN - ) + logger.error("Error handling downloaded %s: %r", url, e) + # TODO: we really ought to delete the downloaded file in this + # case, since we won't have recorded it in the db, and will + # therefore not expire it. + raise defer.returnValue({ "media_type": media_type, diff --git a/synapse/rest/media/v1/thumbnail_resource.py b/synapse/rest/media/v1/thumbnail_resource.py index 12e84a2b7c..58ada49711 100644 --- a/synapse/rest/media/v1/thumbnail_resource.py +++ b/synapse/rest/media/v1/thumbnail_resource.py @@ -164,7 +164,8 @@ class ThumbnailResource(Resource): # Okay, so we generate one. file_path = yield self.media_repo.generate_local_exact_thumbnail( - media_id, desired_width, desired_height, desired_method, desired_type + media_id, desired_width, desired_height, desired_method, desired_type, + url_cache=media_info["url_cache"], ) if file_path: diff --git a/synapse/server.py b/synapse/server.py index ff8a8fbc46..fbd602d40e 100644 --- a/synapse/server.py +++ b/synapse/server.py @@ -55,6 +55,7 @@ from synapse.handlers.read_marker import ReadMarkerHandler from synapse.handlers.user_directory import UserDirectoryHandler from synapse.handlers.groups_local import GroupsLocalHandler from synapse.handlers.profile import ProfileHandler +from synapse.handlers.message import EventCreationHandler from synapse.groups.groups_server import GroupsServerHandler from synapse.groups.attestations import GroupAttestionRenewer, GroupAttestationSigning from synapse.http.client import SimpleHttpClient, InsecureInterceptableContextFactory @@ -66,7 +67,7 @@ from synapse.rest.media.v1.media_repository import ( MediaRepository, MediaRepositoryResource, ) -from synapse.state import StateHandler +from synapse.state import StateHandler, StateResolutionHandler from synapse.storage import DataStore from synapse.streams.events import EventSources from synapse.util import Clock @@ -102,6 +103,7 @@ class HomeServer(object): 'v1auth', 'auth', 'state_handler', + 'state_resolution_handler', 'presence_handler', 'sync_handler', 'typing_handler', @@ -117,6 +119,7 @@ class HomeServer(object): 'application_service_handler', 'device_message_handler', 'profile_handler', + 'event_creation_handler', 'deactivate_account_handler', 'set_password_handler', 'notifier', @@ -224,6 +227,9 @@ class HomeServer(object): def build_state_handler(self): return StateHandler(self) + def build_state_resolution_handler(self): + return StateResolutionHandler(self) + def build_presence_handler(self): return PresenceHandler(self) @@ -272,6 +278,9 @@ class HomeServer(object): def build_profile_handler(self): return ProfileHandler(self) + def build_event_creation_handler(self): + return EventCreationHandler(self) + def build_deactivate_account_handler(self): return DeactivateAccountHandler(self) diff --git a/synapse/server.pyi b/synapse/server.pyi index 41416ef252..c3a9a3847b 100644 --- a/synapse/server.pyi +++ b/synapse/server.pyi @@ -34,6 +34,9 @@ class HomeServer(object): def get_state_handler(self) -> synapse.state.StateHandler: pass + def get_state_resolution_handler(self) -> synapse.state.StateResolutionHandler: + pass + def get_deactivate_account_handler(self) -> synapse.handlers.deactivate_account.DeactivateAccountHandler: pass diff --git a/synapse/state.py b/synapse/state.py index 4c8247e7c2..cc93bbcb6b 100644 --- a/synapse/state.py +++ b/synapse/state.py @@ -58,7 +58,11 @@ class _StateCacheEntry(object): __slots__ = ["state", "state_group", "state_id", "prev_group", "delta_ids"] def __init__(self, state, state_group, prev_group=None, delta_ids=None): + # dict[(str, str), str] map from (type, state_key) to event_id self.state = frozendict(state) + + # the ID of a state group if one and only one is involved. + # otherwise, None otherwise? self.state_group = state_group self.prev_group = prev_group @@ -81,31 +85,19 @@ class _StateCacheEntry(object): class StateHandler(object): - """ Responsible for doing state conflict resolution. + """Fetches bits of state from the stores, and does state resolution + where necessary """ def __init__(self, hs): self.clock = hs.get_clock() self.store = hs.get_datastore() self.hs = hs - - # dict of set of event_ids -> _StateCacheEntry. - self._state_cache = None - self.resolve_linearizer = Linearizer(name="state_resolve_lock") + self._state_resolution_handler = hs.get_state_resolution_handler() def start_caching(self): - logger.debug("start_caching") - - self._state_cache = ExpiringCache( - cache_name="state_cache", - clock=self.clock, - max_len=SIZE_OF_CACHE, - expiry_ms=EVICTION_TIMEOUT_SECONDS * 1000, - iterable=True, - reset_expiry_on_get=True, - ) - - self._state_cache.start() + # TODO: remove this shim + self._state_resolution_handler.start_caching() @defer.inlineCallbacks def get_current_state(self, room_id, event_type=None, state_key="", @@ -127,7 +119,7 @@ class StateHandler(object): latest_event_ids = yield self.store.get_latest_event_ids_in_room(room_id) logger.debug("calling resolve_state_groups from get_current_state") - ret = yield self.resolve_state_groups(room_id, latest_event_ids) + ret = yield self.resolve_state_groups_for_events(room_id, latest_event_ids) state = ret.state if event_type: @@ -164,7 +156,7 @@ class StateHandler(object): latest_event_ids = yield self.store.get_latest_event_ids_in_room(room_id) logger.debug("calling resolve_state_groups from get_current_state_ids") - ret = yield self.resolve_state_groups(room_id, latest_event_ids) + ret = yield self.resolve_state_groups_for_events(room_id, latest_event_ids) state = ret.state defer.returnValue(state) @@ -174,7 +166,7 @@ class StateHandler(object): if not latest_event_ids: latest_event_ids = yield self.store.get_latest_event_ids_in_room(room_id) logger.debug("calling resolve_state_groups from get_current_user_in_room") - entry = yield self.resolve_state_groups(room_id, latest_event_ids) + entry = yield self.resolve_state_groups_for_events(room_id, latest_event_ids) joined_users = yield self.store.get_joined_users_from_state(room_id, entry) defer.returnValue(joined_users) @@ -183,7 +175,7 @@ class StateHandler(object): if not latest_event_ids: latest_event_ids = yield self.store.get_latest_event_ids_in_room(room_id) logger.debug("calling resolve_state_groups from get_current_hosts_in_room") - entry = yield self.resolve_state_groups(room_id, latest_event_ids) + entry = yield self.resolve_state_groups_for_events(room_id, latest_event_ids) joined_hosts = yield self.store.get_joined_hosts(room_id, entry) defer.returnValue(joined_hosts) @@ -191,8 +183,15 @@ class StateHandler(object): def compute_event_context(self, event, old_state=None): """Build an EventContext structure for the event. + This works out what the current state should be for the event, and + generates a new state group if necessary. + Args: event (synapse.events.EventBase): + old_state (dict|None): The state at the event if it can't be + calculated from existing events. This is normally only specified + when receiving an event from federation where we don't have the + prev events for, e.g. when backfilling. Returns: synapse.events.snapshot.EventContext: """ @@ -216,15 +215,22 @@ class StateHandler(object): context.current_state_ids = {} context.prev_state_ids = {} context.prev_state_events = [] - context.state_group = self.store.get_next_state_group() + + # We don't store state for outliers, so we don't generate a state + # froup for it. + context.state_group = None + defer.returnValue(context) if old_state: + # We already have the state, so we don't need to calculate it. + # Let's just correctly fill out the context and create a + # new state group for it. + context = EventContext() context.prev_state_ids = { (s.type, s.state_key): s.event_id for s in old_state } - context.state_group = self.store.get_next_state_group() if event.is_state(): key = (event.type, event.state_key) @@ -237,11 +243,19 @@ class StateHandler(object): else: context.current_state_ids = context.prev_state_ids + context.state_group = yield self.store.store_state_group( + event.event_id, + event.room_id, + prev_group=None, + delta_ids=None, + current_state_ids=context.current_state_ids, + ) + context.prev_state_events = [] defer.returnValue(context) logger.debug("calling resolve_state_groups from compute_event_context") - entry = yield self.resolve_state_groups( + entry = yield self.resolve_state_groups_for_events( event.room_id, [e for e, _ in event.prev_events], ) @@ -250,7 +264,8 @@ class StateHandler(object): context = EventContext() context.prev_state_ids = curr_state if event.is_state(): - context.state_group = self.store.get_next_state_group() + # If this is a state event then we need to create a new state + # group for the state after this event. key = (event.type, event.state_key) if key in context.prev_state_ids: @@ -261,38 +276,57 @@ class StateHandler(object): context.current_state_ids[key] = event.event_id if entry.state_group: + # If the state at the event has a state group assigned then + # we can use that as the prev group context.prev_group = entry.state_group context.delta_ids = { key: event.event_id } elif entry.prev_group: + # If the state at the event only has a prev group, then we can + # use that as a prev group too. context.prev_group = entry.prev_group context.delta_ids = dict(entry.delta_ids) context.delta_ids[key] = event.event_id + + context.state_group = yield self.store.store_state_group( + event.event_id, + event.room_id, + prev_group=context.prev_group, + delta_ids=context.delta_ids, + current_state_ids=context.current_state_ids, + ) else: + context.current_state_ids = context.prev_state_ids + context.prev_group = entry.prev_group + context.delta_ids = entry.delta_ids + if entry.state_group is None: - entry.state_group = self.store.get_next_state_group() + entry.state_group = yield self.store.store_state_group( + event.event_id, + event.room_id, + prev_group=entry.prev_group, + delta_ids=entry.delta_ids, + current_state_ids=context.current_state_ids, + ) entry.state_id = entry.state_group context.state_group = entry.state_group - context.current_state_ids = context.prev_state_ids - context.prev_group = entry.prev_group - context.delta_ids = entry.delta_ids context.prev_state_events = [] defer.returnValue(context) @defer.inlineCallbacks - @log_function - def resolve_state_groups(self, room_id, event_ids): + def resolve_state_groups_for_events(self, room_id, event_ids): """ Given a list of event_ids this method fetches the state at each event, resolves conflicts between them and returns them. + Args: + room_id (str): + event_ids (list[str]): + Returns: - a Deferred tuple of (`state_group`, `state`, `prev_state`). - `state_group` is the name of a state group if one and only one is - involved. `state` is a map from (type, state_key) to event, and - `prev_state` is a list of event ids. + Deferred[_StateCacheEntry]: resolved state """ logger.debug("resolve_state_groups event_ids %s", event_ids) @@ -303,13 +337,7 @@ class StateHandler(object): room_id, event_ids ) - logger.debug( - "resolve_state_groups state_groups %s", - state_groups_ids.keys() - ) - - group_names = frozenset(state_groups_ids.keys()) - if len(group_names) == 1: + if len(state_groups_ids) == 1: name, state_list = state_groups_ids.items().pop() prev_group, delta_ids = yield self.store.get_state_group_delta(name) @@ -321,6 +349,92 @@ class StateHandler(object): delta_ids=delta_ids, )) + result = yield self._state_resolution_handler.resolve_state_groups( + room_id, state_groups_ids, self._state_map_factory, + ) + defer.returnValue(result) + + def _state_map_factory(self, ev_ids): + return self.store.get_events( + ev_ids, get_prev_content=False, check_redacted=False, + ) + + def resolve_events(self, state_sets, event): + logger.info( + "Resolving state for %s with %d groups", event.room_id, len(state_sets) + ) + state_set_ids = [{ + (ev.type, ev.state_key): ev.event_id + for ev in st + } for st in state_sets] + + state_map = { + ev.event_id: ev + for st in state_sets + for ev in st + } + + with Measure(self.clock, "state._resolve_events"): + new_state = resolve_events_with_state_map(state_set_ids, state_map) + + new_state = { + key: state_map[ev_id] for key, ev_id in new_state.items() + } + + return new_state + + +class StateResolutionHandler(object): + """Responsible for doing state conflict resolution. + + Note that the storage layer depends on this handler, so all functions must + be storage-independent. + """ + def __init__(self, hs): + self.clock = hs.get_clock() + + # dict of set of event_ids -> _StateCacheEntry. + self._state_cache = None + self.resolve_linearizer = Linearizer(name="state_resolve_lock") + + def start_caching(self): + logger.debug("start_caching") + + self._state_cache = ExpiringCache( + cache_name="state_cache", + clock=self.clock, + max_len=SIZE_OF_CACHE, + expiry_ms=EVICTION_TIMEOUT_SECONDS * 1000, + iterable=True, + reset_expiry_on_get=True, + ) + + self._state_cache.start() + + @defer.inlineCallbacks + @log_function + def resolve_state_groups(self, room_id, state_groups_ids, state_map_factory): + """Resolves conflicts between a set of state groups + + Always generates a new state group (unless we hit the cache), so should + not be called for a single state group + + Args: + room_id (str): room we are resolving for (used for logging) + state_groups_ids (dict[int, dict[(str, str), str]]): + map from state group id to the state in that state group + (where 'state' is a map from state key to event id) + + Returns: + Deferred[_StateCacheEntry]: resolved state + """ + logger.debug( + "resolve_state_groups state_groups %s", + state_groups_ids.keys() + ) + + group_names = frozenset(state_groups_ids.keys()) + with (yield self.resolve_linearizer.queue(group_names)): if self._state_cache is not None: cache = self._state_cache.get(group_names, None) @@ -351,15 +465,17 @@ class StateHandler(object): with Measure(self.clock, "state._resolve_events"): new_state = yield resolve_events_with_factory( state_groups_ids.values(), - state_map_factory=lambda ev_ids: self.store.get_events( - ev_ids, get_prev_content=False, check_redacted=False, - ), + state_map_factory=state_map_factory, ) else: new_state = { key: e_ids.pop() for key, e_ids in state.items() } + # if the new state matches any of the input state groups, we can + # use that state group again. Otherwise we will generate a state_id + # which will be used as a cache key for future resolutions, but + # not get persisted. state_group = None new_state_event_ids = frozenset(new_state.values()) for sg, events in state_groups_ids.items(): @@ -396,30 +512,6 @@ class StateHandler(object): defer.returnValue(cache) - def resolve_events(self, state_sets, event): - logger.info( - "Resolving state for %s with %d groups", event.room_id, len(state_sets) - ) - state_set_ids = [{ - (ev.type, ev.state_key): ev.event_id - for ev in st - } for st in state_sets] - - state_map = { - ev.event_id: ev - for st in state_sets - for ev in st - } - - with Measure(self.clock, "state._resolve_events"): - new_state = resolve_events_with_state_map(state_set_ids, state_map) - - new_state = { - key: state_map[ev_id] for key, ev_id in new_state.items() - } - - return new_state - def _ordered_events(events): def key_func(e): @@ -437,8 +529,8 @@ def resolve_events_with_state_map(state_sets, state_map): state_sets. Returns - dict[(str, str), synapse.events.FrozenEvent]: - a map from (type, state_key) to event. + dict[(str, str), str]: + a map from (type, state_key) to event_id. """ if len(state_sets) == 1: return state_sets[0] @@ -460,6 +552,21 @@ def _seperate(state_sets): """Takes the state_sets and figures out which keys are conflicted and which aren't. i.e., which have multiple different event_ids associated with them in different state sets. + + Args: + state_sets(list[dict[(str, str), str]]): + List of dicts of (type, state_key) -> event_id, which are the + different state groups to resolve. + + Returns: + (dict[(str, str), str], dict[(str, str), set[str]]): + A tuple of (unconflicted_state, conflicted_state), where: + + unconflicted_state is a dict mapping (type, state_key)->event_id + for unconflicted state keys. + + conflicted_state is a dict mapping (type, state_key) to a set of + event ids for conflicted state keys. """ unconflicted_state = dict(state_sets[0]) conflicted_state = {} @@ -500,8 +607,8 @@ def resolve_events_with_factory(state_sets, state_map_factory): a Deferred of dict of event_id to event. Returns - Deferred[dict[(str, str), synapse.events.FrozenEvent]]: - a map from (type, state_key) to event. + Deferred[dict[(str, str), str]]: + a map from (type, state_key) to event_id. """ if len(state_sets) == 1: defer.returnValue(state_sets[0]) diff --git a/synapse/storage/__init__.py b/synapse/storage/__init__.py index d01d46338a..f8fbd02ceb 100644 --- a/synapse/storage/__init__.py +++ b/synapse/storage/__init__.py @@ -124,7 +124,6 @@ class DataStore(RoomMemberStore, RoomStore, ) self._transaction_id_gen = IdGenerator(db_conn, "sent_transactions", "id") - self._state_groups_id_gen = IdGenerator(db_conn, "state_groups", "id") self._access_tokens_id_gen = IdGenerator(db_conn, "access_tokens", "id") self._event_reports_id_gen = IdGenerator(db_conn, "event_reports", "id") self._push_rule_id_gen = IdGenerator(db_conn, "push_rules", "id") diff --git a/synapse/storage/engines/postgres.py b/synapse/storage/engines/postgres.py index a6ae79dfad..8a0386c1a4 100644 --- a/synapse/storage/engines/postgres.py +++ b/synapse/storage/engines/postgres.py @@ -62,3 +62,9 @@ class PostgresEngine(object): def lock_table(self, txn, table): txn.execute("LOCK TABLE %s in EXCLUSIVE MODE" % (table,)) + + def get_next_state_group_id(self, txn): + """Returns an int that can be used as a new state_group ID + """ + txn.execute("SELECT nextval('state_group_id_seq')") + return txn.fetchone()[0] diff --git a/synapse/storage/engines/sqlite3.py b/synapse/storage/engines/sqlite3.py index 755c9a1f07..60f0fa7fb3 100644 --- a/synapse/storage/engines/sqlite3.py +++ b/synapse/storage/engines/sqlite3.py @@ -16,6 +16,7 @@ from synapse.storage.prepare_database import prepare_database import struct +import threading class Sqlite3Engine(object): @@ -24,6 +25,11 @@ class Sqlite3Engine(object): def __init__(self, database_module, database_config): self.module = database_module + # The current max state_group, or None if we haven't looked + # in the DB yet. + self._current_state_group_id = None + self._current_state_group_id_lock = threading.Lock() + def check_database(self, txn): pass @@ -43,6 +49,19 @@ class Sqlite3Engine(object): def lock_table(self, txn, table): return + def get_next_state_group_id(self, txn): + """Returns an int that can be used as a new state_group ID + """ + # We do application locking here since if we're using sqlite then + # we are a single process synapse. + with self._current_state_group_id_lock: + if self._current_state_group_id is None: + txn.execute("SELECT COALESCE(max(id), 0) FROM state_groups") + self._current_state_group_id = txn.fetchone()[0] + + self._current_state_group_id += 1 + return self._current_state_group_id + # Following functions taken from: https://github.com/coleifer/peewee diff --git a/synapse/storage/events.py b/synapse/storage/events.py index 33fccfa7a8..86a7c5920d 100644 --- a/synapse/storage/events.py +++ b/synapse/storage/events.py @@ -342,8 +342,20 @@ class EventsStore(SQLBaseStore): # NB: Assumes that we are only persisting events for one room # at a time. + + # map room_id->list[event_ids] giving the new forward + # extremities in each room new_forward_extremeties = {} + + # map room_id->(type,state_key)->event_id tracking the full + # state in each room after adding these events current_state_for_room = {} + + # map room_id->(to_delete, to_insert) where each entry is + # a map (type,key)->event_id giving the state delta in each + # room + state_delta_for_room = {} + if not backfilled: with Measure(self._clock, "_calculate_state_and_extrem"): # Work out the new "current state" for each room. @@ -386,11 +398,19 @@ class EventsStore(SQLBaseStore): if all_single_prev_not_state: continue - state = yield self._calculate_state_delta( - room_id, ev_ctx_rm, new_latest_event_ids + logger.info( + "Calculating state delta for room %s", room_id, + ) + current_state = yield self._get_new_state_after_events( + ev_ctx_rm, new_latest_event_ids, ) - if state: - current_state_for_room[room_id] = state + if current_state is not None: + current_state_for_room[room_id] = current_state + delta = yield self._calculate_state_delta( + room_id, current_state, + ) + if delta is not None: + state_delta_for_room[room_id] = delta yield self.runInteraction( "persist_events", @@ -398,7 +418,7 @@ class EventsStore(SQLBaseStore): events_and_contexts=chunk, backfilled=backfilled, delete_existing=delete_existing, - current_state_for_room=current_state_for_room, + state_delta_for_room=state_delta_for_room, new_forward_extremeties=new_forward_extremeties, ) persist_event_counter.inc_by(len(chunk)) @@ -415,7 +435,7 @@ class EventsStore(SQLBaseStore): event_counter.inc(event.type, origin_type, origin_entity) - for room_id, (_, _, new_state) in current_state_for_room.iteritems(): + for room_id, new_state in current_state_for_room.iteritems(): self.get_current_state_ids.prefill( (room_id, ), new_state ) @@ -467,20 +487,22 @@ class EventsStore(SQLBaseStore): defer.returnValue(new_latest_event_ids) @defer.inlineCallbacks - def _calculate_state_delta(self, room_id, events_context, new_latest_event_ids): - """Calculate the new state deltas for a room. + def _get_new_state_after_events(self, events_context, new_latest_event_ids): + """Calculate the current state dict after adding some new events to + a room - Assumes that we are only persisting events for one room at a time. + Args: + events_context (list[(EventBase, EventContext)]): + events and contexts which are being added to the room + + new_latest_event_ids (iterable[str]): + the new forward extremities for the room. Returns: - 3-tuple (to_delete, to_insert, new_state) where both are state dicts, - i.e. (type, state_key) -> event_id. `to_delete` are the entries to - first be deleted from current_state_events, `to_insert` are entries - to insert. `new_state` is the full set of state. - May return None if there are no changes to be applied. + Deferred[dict[(str,str), str]|None]: + None if there are no changes to the room state, or + a dict of (type, state_key) -> event_id]. """ - # Now we need to work out the different state sets for - # each state extremities state_sets = [] state_groups = set() missing_event_ids = [] @@ -523,12 +545,12 @@ class EventsStore(SQLBaseStore): state_sets.extend(group_to_state.itervalues()) if not new_latest_event_ids: - current_state = {} + defer.returnValue({}) elif was_updated: if len(state_sets) == 1: # If there is only one state set, then we know what the current # state is. - current_state = state_sets[0] + defer.returnValue(state_sets[0]) else: # We work out the current state by passing the state sets to the # state resolution algorithm. It may ask for some events, including @@ -537,8 +559,7 @@ class EventsStore(SQLBaseStore): # up in the db. logger.info( - "Resolving state for %s with %i state sets", - room_id, len(state_sets), + "Resolving state with %i state sets", len(state_sets), ) events_map = {ev.event_id: ev for ev, _ in events_context} @@ -567,9 +588,22 @@ class EventsStore(SQLBaseStore): state_sets, state_map_factory=get_events, ) + defer.returnValue(current_state) else: return + @defer.inlineCallbacks + def _calculate_state_delta(self, room_id, current_state): + """Calculate the new state deltas for a room. + + Assumes that we are only persisting events for one room at a time. + + Returns: + 2-tuple (to_delete, to_insert) where both are state dicts, + i.e. (type, state_key) -> event_id. `to_delete` are the entries to + first be deleted from current_state_events, `to_insert` are entries + to insert. + """ existing_state = yield self.get_current_state_ids(room_id) existing_events = set(existing_state.itervalues()) @@ -589,7 +623,7 @@ class EventsStore(SQLBaseStore): if ev_id in events_to_insert } - defer.returnValue((to_delete, to_insert, current_state)) + defer.returnValue((to_delete, to_insert)) @defer.inlineCallbacks def get_event(self, event_id, check_redacted=True, @@ -649,7 +683,7 @@ class EventsStore(SQLBaseStore): @log_function def _persist_events_txn(self, txn, events_and_contexts, backfilled, - delete_existing=False, current_state_for_room={}, + delete_existing=False, state_delta_for_room={}, new_forward_extremeties={}): """Insert some number of room events into the necessary database tables. @@ -665,7 +699,7 @@ class EventsStore(SQLBaseStore): delete_existing (bool): True to purge existing table rows for the events from the database. This is useful when retrying due to IntegrityError. - current_state_for_room (dict[str, (list[str], list[str])]): + state_delta_for_room (dict[str, (list[str], list[str])]): The current-state delta for each room. For each room, a tuple (to_delete, to_insert), being a list of event ids to be removed from the current state, and a list of event ids to be added to @@ -677,7 +711,7 @@ class EventsStore(SQLBaseStore): """ max_stream_order = events_and_contexts[-1][0].internal_metadata.stream_ordering - self._update_current_state_txn(txn, current_state_for_room, max_stream_order) + self._update_current_state_txn(txn, state_delta_for_room, max_stream_order) self._update_forward_extremities_txn( txn, @@ -721,9 +755,8 @@ class EventsStore(SQLBaseStore): events_and_contexts=events_and_contexts, ) - # Insert into the state_groups, state_groups_state, and - # event_to_state_groups tables. - self._store_mult_state_groups_txn(txn, events_and_contexts) + # Insert into event_to_state_groups. + self._store_event_state_mappings_txn(txn, events_and_contexts) # _store_rejected_events_txn filters out any events which were # rejected, and returns the filtered list. @@ -743,7 +776,7 @@ class EventsStore(SQLBaseStore): def _update_current_state_txn(self, txn, state_delta_by_room, max_stream_order): for room_id, current_state_tuple in state_delta_by_room.iteritems(): - to_delete, to_insert, _ = current_state_tuple + to_delete, to_insert = current_state_tuple txn.executemany( "DELETE FROM current_state_events WHERE event_id = ?", [(ev_id,) for ev_id in to_delete.itervalues()], @@ -958,10 +991,9 @@ class EventsStore(SQLBaseStore): # an outlier in the database. We now have some state at that # so we need to update the state_groups table with that state. - # insert into the state_group, state_groups_state and - # event_to_state_groups tables. + # insert into event_to_state_groups. try: - self._store_mult_state_groups_txn(txn, ((event, context),)) + self._store_event_state_mappings_txn(txn, ((event, context),)) except Exception: logger.exception("") raise @@ -2031,16 +2063,32 @@ class EventsStore(SQLBaseStore): ) return self.runInteraction("get_all_new_events", get_all_new_events_txn) - def delete_old_state(self, room_id, topological_ordering): - return self.runInteraction( - "delete_old_state", - self._delete_old_state_txn, room_id, topological_ordering - ) + def purge_history( + self, room_id, topological_ordering, delete_local_events, + ): + """Deletes room history before a certain point + + Args: + room_id (str): + + topological_ordering (int): + minimum topo ordering to preserve - def _delete_old_state_txn(self, txn, room_id, topological_ordering): - """Deletes old room state + delete_local_events (bool): + if True, we will delete local events as well as remote ones + (instead of just marking them as outliers and deleting their + state groups). """ + return self.runInteraction( + "purge_history", + self._purge_history_txn, room_id, topological_ordering, + delete_local_events, + ) + + def _purge_history_txn( + self, txn, room_id, topological_ordering, delete_local_events, + ): # Tables that should be pruned: # event_auth # event_backward_extremities @@ -2081,7 +2129,7 @@ class EventsStore(SQLBaseStore): 400, "topological_ordering is greater than forward extremeties" ) - logger.debug("[purge] looking for events to delete") + logger.info("[purge] looking for events to delete") txn.execute( "SELECT event_id, state_key FROM events" @@ -2093,16 +2141,16 @@ class EventsStore(SQLBaseStore): to_delete = [ (event_id,) for event_id, state_key in event_rows - if state_key is None and not self.hs.is_mine_id(event_id) + if state_key is None and ( + delete_local_events or not self.hs.is_mine_id(event_id) + ) ] logger.info( - "[purge] found %i events before cutoff, of which %i are remote" - " non-state events to delete", len(event_rows), len(to_delete)) - - for event_id, state_key in event_rows: - txn.call_after(self._get_state_group_for_event.invalidate, (event_id,)) + "[purge] found %i events before cutoff, of which %i can be deleted", + len(event_rows), len(to_delete), + ) - logger.debug("[purge] Finding new backward extremities") + logger.info("[purge] Finding new backward extremities") # We calculate the new entries for the backward extremeties by finding # all events that point to events that are to be purged @@ -2116,7 +2164,7 @@ class EventsStore(SQLBaseStore): ) new_backwards_extrems = txn.fetchall() - logger.debug("[purge] replacing backward extremities: %r", new_backwards_extrems) + logger.info("[purge] replacing backward extremities: %r", new_backwards_extrems) txn.execute( "DELETE FROM event_backward_extremities WHERE room_id = ?", @@ -2132,7 +2180,7 @@ class EventsStore(SQLBaseStore): ] ) - logger.debug("[purge] finding redundant state groups") + logger.info("[purge] finding redundant state groups") # Get all state groups that are only referenced by events that are # to be deleted. @@ -2149,15 +2197,15 @@ class EventsStore(SQLBaseStore): ) state_rows = txn.fetchall() - logger.debug("[purge] found %i redundant state groups", len(state_rows)) + logger.info("[purge] found %i redundant state groups", len(state_rows)) # make a set of the redundant state groups, so that we can look them up # efficiently state_groups_to_delete = set([sg for sg, in state_rows]) # Now we get all the state groups that rely on these state groups - logger.debug("[purge] finding state groups which depend on redundant" - " state groups") + logger.info("[purge] finding state groups which depend on redundant" + " state groups") remaining_state_groups = [] for i in xrange(0, len(state_rows), 100): chunk = [sg for sg, in state_rows[i:i + 100]] @@ -2182,7 +2230,7 @@ class EventsStore(SQLBaseStore): # Now we turn the state groups that reference to-be-deleted state # groups to non delta versions. for sg in remaining_state_groups: - logger.debug("[purge] de-delta-ing remaining state group %s", sg) + logger.info("[purge] de-delta-ing remaining state group %s", sg) curr_state = self._get_state_groups_from_groups_txn( txn, [sg], types=None ) @@ -2219,7 +2267,7 @@ class EventsStore(SQLBaseStore): ], ) - logger.debug("[purge] removing redundant state groups") + logger.info("[purge] removing redundant state groups") txn.executemany( "DELETE FROM state_groups_state WHERE state_group = ?", state_rows @@ -2229,18 +2277,15 @@ class EventsStore(SQLBaseStore): state_rows ) - # Delete all non-state - logger.debug("[purge] removing events from event_to_state_groups") + logger.info("[purge] removing events from event_to_state_groups") txn.executemany( "DELETE FROM event_to_state_groups WHERE event_id = ?", [(event_id,) for event_id, _ in event_rows] ) - - logger.debug("[purge] updating room_depth") - txn.execute( - "UPDATE room_depth SET min_depth = ? WHERE room_id = ?", - (topological_ordering, room_id,) - ) + for event_id, _ in event_rows: + txn.call_after(self._get_state_group_for_event.invalidate, ( + event_id, + )) # Delete all remote non-state events for table in ( @@ -2258,7 +2303,8 @@ class EventsStore(SQLBaseStore): "event_signatures", "rejections", ): - logger.debug("[purge] removing remote non-state events from %s", table) + logger.info("[purge] removing remote non-state events from %s", + table) txn.executemany( "DELETE FROM %s WHERE event_id = ?" % (table,), @@ -2266,16 +2312,30 @@ class EventsStore(SQLBaseStore): ) # Mark all state and own events as outliers - logger.debug("[purge] marking remaining events as outliers") + logger.info("[purge] marking remaining events as outliers") txn.executemany( "UPDATE events SET outlier = ?" " WHERE event_id = ?", [ (True, event_id,) for event_id, state_key in event_rows - if state_key is not None or self.hs.is_mine_id(event_id) + if state_key is not None or ( + not delete_local_events and self.hs.is_mine_id(event_id) + ) ] ) + # synapse tries to take out an exclusive lock on room_depth whenever it + # persists events (because upsert), and once we run this update, we + # will block that for the rest of our transaction. + # + # So, let's stick it at the end so that we don't block event + # persistence. + logger.info("[purge] updating room_depth") + txn.execute( + "UPDATE room_depth SET min_depth = ? WHERE room_id = ?", + (topological_ordering, room_id,) + ) + logger.info("[purge] done") @defer.inlineCallbacks diff --git a/synapse/storage/room.py b/synapse/storage/room.py index 0fcfb7f86d..fff6652e05 100644 --- a/synapse/storage/room.py +++ b/synapse/storage/room.py @@ -506,73 +506,114 @@ class RoomStore(SearchStore): ) self.is_room_blocked.invalidate((room_id,)) + def get_media_mxcs_in_room(self, room_id): + """Retrieves all the local and remote media MXC URIs in a given room + + Args: + room_id (str) + + Returns: + The local and remote media as a lists of tuples where the key is + the hostname and the value is the media ID. + """ + def _get_media_mxcs_in_room_txn(txn): + local_mxcs, remote_mxcs = self._get_media_mxcs_in_room_txn(txn, room_id) + local_media_mxcs = [] + remote_media_mxcs = [] + + # Convert the IDs to MXC URIs + for media_id in local_mxcs: + local_media_mxcs.append("mxc://%s/%s" % (self.hostname, media_id)) + for hostname, media_id in remote_mxcs: + remote_media_mxcs.append("mxc://%s/%s" % (hostname, media_id)) + + return local_media_mxcs, remote_media_mxcs + return self.runInteraction("get_media_ids_in_room", _get_media_mxcs_in_room_txn) + def quarantine_media_ids_in_room(self, room_id, quarantined_by): """For a room loops through all events with media and quarantines the associated media """ - def _get_media_ids_in_room(txn): - mxc_re = re.compile("^mxc://([^/]+)/([^/#?]+)") + def _quarantine_media_in_room_txn(txn): + local_mxcs, remote_mxcs = self._get_media_mxcs_in_room_txn(txn, room_id) + total_media_quarantined = 0 - next_token = self.get_current_events_token() + 1 + # Now update all the tables to set the quarantined_by flag - total_media_quarantined = 0 + txn.executemany(""" + UPDATE local_media_repository + SET quarantined_by = ? + WHERE media_id = ? + """, ((quarantined_by, media_id) for media_id in local_mxcs)) - while next_token: - sql = """ - SELECT stream_ordering, content FROM events - WHERE room_id = ? - AND stream_ordering < ? - AND contains_url = ? AND outlier = ? - ORDER BY stream_ordering DESC - LIMIT ? + txn.executemany( """ - txn.execute(sql, (room_id, next_token, True, False, 100)) - - next_token = None - local_media_mxcs = [] - remote_media_mxcs = [] - for stream_ordering, content_json in txn: - next_token = stream_ordering - content = json.loads(content_json) - - content_url = content.get("url") - thumbnail_url = content.get("info", {}).get("thumbnail_url") - - for url in (content_url, thumbnail_url): - if not url: - continue - matches = mxc_re.match(url) - if matches: - hostname = matches.group(1) - media_id = matches.group(2) - if hostname == self.hostname: - local_media_mxcs.append(media_id) - else: - remote_media_mxcs.append((hostname, media_id)) - - # Now update all the tables to set the quarantined_by flag - - txn.executemany(""" - UPDATE local_media_repository + UPDATE remote_media_cache SET quarantined_by = ? - WHERE media_id = ? - """, ((quarantined_by, media_id) for media_id in local_media_mxcs)) - - txn.executemany( - """ - UPDATE remote_media_cache - SET quarantined_by = ? - WHERE media_origin = ? AND media_id = ? - """, - ( - (quarantined_by, origin, media_id) - for origin, media_id in remote_media_mxcs - ) + WHERE media_origin = ? AND media_id = ? + """, + ( + (quarantined_by, origin, media_id) + for origin, media_id in remote_mxcs ) + ) - total_media_quarantined += len(local_media_mxcs) - total_media_quarantined += len(remote_media_mxcs) + total_media_quarantined += len(local_mxcs) + total_media_quarantined += len(remote_mxcs) return total_media_quarantined - return self.runInteraction("get_media_ids_in_room", _get_media_ids_in_room) + return self.runInteraction( + "quarantine_media_in_room", + _quarantine_media_in_room_txn, + ) + + def _get_media_mxcs_in_room_txn(self, txn, room_id): + """Retrieves all the local and remote media MXC URIs in a given room + + Args: + txn (cursor) + room_id (str) + + Returns: + The local and remote media as a lists of tuples where the key is + the hostname and the value is the media ID. + """ + mxc_re = re.compile("^mxc://([^/]+)/([^/#?]+)") + + next_token = self.get_current_events_token() + 1 + local_media_mxcs = [] + remote_media_mxcs = [] + + while next_token: + sql = """ + SELECT stream_ordering, content FROM events + WHERE room_id = ? + AND stream_ordering < ? + AND contains_url = ? AND outlier = ? + ORDER BY stream_ordering DESC + LIMIT ? + """ + txn.execute(sql, (room_id, next_token, True, False, 100)) + + next_token = None + for stream_ordering, content_json in txn: + next_token = stream_ordering + content = json.loads(content_json) + + content_url = content.get("url") + thumbnail_url = content.get("info", {}).get("thumbnail_url") + + for url in (content_url, thumbnail_url): + if not url: + continue + matches = mxc_re.match(url) + if matches: + hostname = matches.group(1) + media_id = matches.group(2) + if hostname == self.hostname: + local_media_mxcs.append(media_id) + else: + remote_media_mxcs.append((hostname, media_id)) + + return local_media_mxcs, remote_media_mxcs diff --git a/synapse/storage/schema/delta/47/state_group_seq.py b/synapse/storage/schema/delta/47/state_group_seq.py new file mode 100644 index 0000000000..f6766501d2 --- /dev/null +++ b/synapse/storage/schema/delta/47/state_group_seq.py @@ -0,0 +1,37 @@ +# Copyright 2018 New Vector Ltd +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +from synapse.storage.engines import PostgresEngine + + +def run_create(cur, database_engine, *args, **kwargs): + if isinstance(database_engine, PostgresEngine): + # if we already have some state groups, we want to start making new + # ones with a higher id. + cur.execute("SELECT max(id) FROM state_groups") + row = cur.fetchone() + + if row[0] is None: + start_val = 1 + else: + start_val = row[0] + 1 + + cur.execute( + "CREATE SEQUENCE state_group_id_seq START WITH %s", + (start_val, ), + ) + + +def run_upgrade(*args, **kwargs): + pass diff --git a/synapse/storage/search.py b/synapse/storage/search.py index eecf778516..7c80fab277 100644 --- a/synapse/storage/search.py +++ b/synapse/storage/search.py @@ -12,18 +12,19 @@ # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. + from collections import namedtuple +import logging +import re import sys +import ujson as json + from twisted.internet import defer from .background_updates import BackgroundUpdateStore from synapse.api.errors import SynapseError from synapse.storage.engines import PostgresEngine, Sqlite3Engine -import logging -import re -import ujson as json - logger = logging.getLogger(__name__) @@ -280,10 +281,10 @@ class SearchStore(BackgroundUpdateStore): if isinstance(self.database_engine, PostgresEngine): sql = ( "INSERT INTO event_search" - " (event_id, room_id, key, vector, stream_ordering, " - " origin_server_ts)" + " (event_id, room_id, key, vector, stream_ordering, origin_server_ts)" " VALUES (?,?,?,to_tsvector('english', ?),?,?)" ) + args = (( entry.event_id, entry.room_id, entry.key, entry.value, entry.stream_ordering, entry.origin_server_ts, diff --git a/synapse/storage/state.py b/synapse/storage/state.py index 360e3e4355..adb48df73e 100644 --- a/synapse/storage/state.py +++ b/synapse/storage/state.py @@ -42,11 +42,8 @@ class _GetStateGroupDelta(namedtuple("_GetStateGroupDelta", ("prev_group", "delt return len(self.delta_ids) if self.delta_ids else 0 -class StateGroupReadStore(SQLBaseStore): - """The read-only parts of StateGroupStore - - None of these functions write to the state tables, so are suitable for - including in the SlavedStores. +class StateGroupWorkerStore(SQLBaseStore): + """The parts of StateGroupStore that can be called from workers. """ STATE_GROUP_DEDUPLICATION_UPDATE_NAME = "state_group_state_deduplication" @@ -54,7 +51,7 @@ class StateGroupReadStore(SQLBaseStore): CURRENT_STATE_INDEX_UPDATE_NAME = "current_state_members_idx" def __init__(self, db_conn, hs): - super(StateGroupReadStore, self).__init__(db_conn, hs) + super(StateGroupWorkerStore, self).__init__(db_conn, hs) self._state_group_cache = DictionaryCache( "*stateGroupCache*", 100000 * CACHE_SIZE_FACTOR @@ -549,116 +546,66 @@ class StateGroupReadStore(SQLBaseStore): defer.returnValue(results) + def store_state_group(self, event_id, room_id, prev_group, delta_ids, + current_state_ids): + """Store a new set of state, returning a newly assigned state group. -class StateStore(StateGroupReadStore, BackgroundUpdateStore): - """ Keeps track of the state at a given event. - - This is done by the concept of `state groups`. Every event is a assigned - a state group (identified by an arbitrary string), which references a - collection of state events. The current state of an event is then the - collection of state events referenced by the event's state group. - - Hence, every change in the current state causes a new state group to be - generated. However, if no change happens (e.g., if we get a message event - with only one parent it inherits the state group from its parent.) - - There are three tables: - * `state_groups`: Stores group name, first event with in the group and - room id. - * `event_to_state_groups`: Maps events to state groups. - * `state_groups_state`: Maps state group to state events. - """ - - STATE_GROUP_DEDUPLICATION_UPDATE_NAME = "state_group_state_deduplication" - STATE_GROUP_INDEX_UPDATE_NAME = "state_group_state_type_index" - CURRENT_STATE_INDEX_UPDATE_NAME = "current_state_members_idx" - - def __init__(self, db_conn, hs): - super(StateStore, self).__init__(db_conn, hs) - self.register_background_update_handler( - self.STATE_GROUP_DEDUPLICATION_UPDATE_NAME, - self._background_deduplicate_state, - ) - self.register_background_update_handler( - self.STATE_GROUP_INDEX_UPDATE_NAME, - self._background_index_state, - ) - self.register_background_index_update( - self.CURRENT_STATE_INDEX_UPDATE_NAME, - index_name="current_state_events_member_index", - table="current_state_events", - columns=["state_key"], - where_clause="type='m.room.member'", - ) - - def _have_persisted_state_group_txn(self, txn, state_group): - txn.execute( - "SELECT count(*) FROM state_groups WHERE id = ?", - (state_group,) - ) - row = txn.fetchone() - return row and row[0] - - def _store_mult_state_groups_txn(self, txn, events_and_contexts): - state_groups = {} - for event, context in events_and_contexts: - if event.internal_metadata.is_outlier(): - continue + Args: + event_id (str): The event ID for which the state was calculated + room_id (str) + prev_group (int|None): A previous state group for the room, optional. + delta_ids (dict|None): The delta between state at `prev_group` and + `current_state_ids`, if `prev_group` was given. Same format as + `current_state_ids`. + current_state_ids (dict): The state to store. Map of (type, state_key) + to event_id. - if context.current_state_ids is None: + Returns: + Deferred[int]: The state group ID + """ + def _store_state_group_txn(txn): + if current_state_ids is None: # AFAIK, this can never happen - logger.error( - "Non-outlier event %s had current_state_ids==None", - event.event_id) - continue + raise Exception("current_state_ids cannot be None") - # if the event was rejected, just give it the same state as its - # predecessor. - if context.rejected: - state_groups[event.event_id] = context.prev_group - continue - - state_groups[event.event_id] = context.state_group - - if self._have_persisted_state_group_txn(txn, context.state_group): - continue + state_group = self.database_engine.get_next_state_group_id(txn) self._simple_insert_txn( txn, table="state_groups", values={ - "id": context.state_group, - "room_id": event.room_id, - "event_id": event.event_id, + "id": state_group, + "room_id": room_id, + "event_id": event_id, }, ) # We persist as a delta if we can, while also ensuring the chain # of deltas isn't tooo long, as otherwise read performance degrades. - if context.prev_group: + if prev_group: is_in_db = self._simple_select_one_onecol_txn( txn, table="state_groups", - keyvalues={"id": context.prev_group}, + keyvalues={"id": prev_group}, retcol="id", allow_none=True, ) if not is_in_db: raise Exception( "Trying to persist state with unpersisted prev_group: %r" - % (context.prev_group,) + % (prev_group,) ) potential_hops = self._count_state_group_hops_txn( - txn, context.prev_group + txn, prev_group ) - if context.prev_group and potential_hops < MAX_STATE_DELTA_HOPS: + if prev_group and potential_hops < MAX_STATE_DELTA_HOPS: self._simple_insert_txn( txn, table="state_group_edges", values={ - "state_group": context.state_group, - "prev_state_group": context.prev_group, + "state_group": state_group, + "prev_state_group": prev_group, }, ) @@ -667,13 +614,13 @@ class StateStore(StateGroupReadStore, BackgroundUpdateStore): table="state_groups_state", values=[ { - "state_group": context.state_group, - "room_id": event.room_id, + "state_group": state_group, + "room_id": room_id, "type": key[0], "state_key": key[1], "event_id": state_id, } - for key, state_id in context.delta_ids.iteritems() + for key, state_id in delta_ids.iteritems() ], ) else: @@ -682,13 +629,13 @@ class StateStore(StateGroupReadStore, BackgroundUpdateStore): table="state_groups_state", values=[ { - "state_group": context.state_group, - "room_id": event.room_id, + "state_group": state_group, + "room_id": room_id, "type": key[0], "state_key": key[1], "event_id": state_id, } - for key, state_id in context.current_state_ids.iteritems() + for key, state_id in current_state_ids.iteritems() ], ) @@ -699,11 +646,71 @@ class StateStore(StateGroupReadStore, BackgroundUpdateStore): txn.call_after( self._state_group_cache.update, self._state_group_cache.sequence, - key=context.state_group, - value=dict(context.current_state_ids), + key=state_group, + value=dict(current_state_ids), full=True, ) + return state_group + + return self.runInteraction("store_state_group", _store_state_group_txn) + + +class StateStore(StateGroupWorkerStore, BackgroundUpdateStore): + """ Keeps track of the state at a given event. + + This is done by the concept of `state groups`. Every event is a assigned + a state group (identified by an arbitrary string), which references a + collection of state events. The current state of an event is then the + collection of state events referenced by the event's state group. + + Hence, every change in the current state causes a new state group to be + generated. However, if no change happens (e.g., if we get a message event + with only one parent it inherits the state group from its parent.) + + There are three tables: + * `state_groups`: Stores group name, first event with in the group and + room id. + * `event_to_state_groups`: Maps events to state groups. + * `state_groups_state`: Maps state group to state events. + """ + + STATE_GROUP_DEDUPLICATION_UPDATE_NAME = "state_group_state_deduplication" + STATE_GROUP_INDEX_UPDATE_NAME = "state_group_state_type_index" + CURRENT_STATE_INDEX_UPDATE_NAME = "current_state_members_idx" + + def __init__(self, db_conn, hs): + super(StateStore, self).__init__(db_conn, hs) + self.register_background_update_handler( + self.STATE_GROUP_DEDUPLICATION_UPDATE_NAME, + self._background_deduplicate_state, + ) + self.register_background_update_handler( + self.STATE_GROUP_INDEX_UPDATE_NAME, + self._background_index_state, + ) + self.register_background_index_update( + self.CURRENT_STATE_INDEX_UPDATE_NAME, + index_name="current_state_events_member_index", + table="current_state_events", + columns=["state_key"], + where_clause="type='m.room.member'", + ) + + def _store_event_state_mappings_txn(self, txn, events_and_contexts): + state_groups = {} + for event, context in events_and_contexts: + if event.internal_metadata.is_outlier(): + continue + + # if the event was rejected, just give it the same state as its + # predecessor. + if context.rejected: + state_groups[event.event_id] = context.prev_group + continue + + state_groups[event.event_id] = context.state_group + self._simple_insert_many_txn( txn, table="event_to_state_groups", @@ -763,9 +770,6 @@ class StateStore(StateGroupReadStore, BackgroundUpdateStore): return count - def get_next_state_group(self): - return self._state_groups_id_gen.get_next() - @defer.inlineCallbacks def _background_deduplicate_state(self, progress, batch_size): """This background update will slowly deduplicate state by reencoding diff --git a/synapse/util/caches/descriptors.py b/synapse/util/caches/descriptors.py index af65bfe7b8..bf3a66eae4 100644 --- a/synapse/util/caches/descriptors.py +++ b/synapse/util/caches/descriptors.py @@ -75,6 +75,7 @@ class Cache(object): self.cache = LruCache( max_size=max_entries, keylen=keylen, cache_type=cache_type, size_callback=(lambda d: len(d)) if iterable else None, + evicted_callback=self._on_evicted, ) self.name = name @@ -83,6 +84,9 @@ class Cache(object): self.thread = None self.metrics = register_cache(name, self.cache) + def _on_evicted(self, evicted_count): + self.metrics.inc_evictions(evicted_count) + def check_thread(self): expected_thread = self.thread if expected_thread is None: diff --git a/synapse/util/caches/expiringcache.py b/synapse/util/caches/expiringcache.py index 6ad53a6390..0aa103eecb 100644 --- a/synapse/util/caches/expiringcache.py +++ b/synapse/util/caches/expiringcache.py @@ -79,7 +79,11 @@ class ExpiringCache(object): while self._max_len and len(self) > self._max_len: _key, value = self._cache.popitem(last=False) if self.iterable: - self._size_estimate -= len(value.value) + removed_len = len(value.value) + self.metrics.inc_evictions(removed_len) + self._size_estimate -= removed_len + else: + self.metrics.inc_evictions() def __getitem__(self, key): try: diff --git a/synapse/util/caches/lrucache.py b/synapse/util/caches/lrucache.py index cf5fbb679c..f088dd430e 100644 --- a/synapse/util/caches/lrucache.py +++ b/synapse/util/caches/lrucache.py @@ -49,7 +49,24 @@ class LruCache(object): Can also set callbacks on objects when getting/setting which are fired when that key gets invalidated/evicted. """ - def __init__(self, max_size, keylen=1, cache_type=dict, size_callback=None): + def __init__(self, max_size, keylen=1, cache_type=dict, size_callback=None, + evicted_callback=None): + """ + Args: + max_size (int): + + keylen (int): + + cache_type (type): + type of underlying cache to be used. Typically one of dict + or TreeCache. + + size_callback (func(V) -> int | None): + + evicted_callback (func(int)|None): + if not None, called on eviction with the size of the evicted + entry + """ cache = cache_type() self.cache = cache # Used for introspection. list_root = _Node(None, None, None, None) @@ -61,8 +78,10 @@ class LruCache(object): def evict(): while cache_len() > max_size: todelete = list_root.prev_node - delete_node(todelete) + evicted_len = delete_node(todelete) cache.pop(todelete.key, None) + if evicted_callback: + evicted_callback(evicted_len) def synchronized(f): @wraps(f) @@ -111,12 +130,15 @@ class LruCache(object): prev_node.next_node = next_node next_node.prev_node = prev_node + deleted_len = 1 if size_callback: - cached_cache_len[0] -= size_callback(node.value) + deleted_len = size_callback(node.value) + cached_cache_len[0] -= deleted_len for cb in node.callbacks: cb() node.callbacks.clear() + return deleted_len @synchronized def cache_get(key, default=None, callbacks=[]): diff --git a/tests/metrics/test_metric.py b/tests/metrics/test_metric.py index f85455a5af..39bde6e3f8 100644 --- a/tests/metrics/test_metric.py +++ b/tests/metrics/test_metric.py @@ -141,6 +141,7 @@ class CacheMetricTestCase(unittest.TestCase): 'cache:hits{name="cache_name"} 0', 'cache:total{name="cache_name"} 0', 'cache:size{name="cache_name"} 0', + 'cache:evicted_size{name="cache_name"} 0', ]) metric.inc_misses() @@ -150,6 +151,7 @@ class CacheMetricTestCase(unittest.TestCase): 'cache:hits{name="cache_name"} 0', 'cache:total{name="cache_name"} 1', 'cache:size{name="cache_name"} 1', + 'cache:evicted_size{name="cache_name"} 0', ]) metric.inc_hits() @@ -158,4 +160,14 @@ class CacheMetricTestCase(unittest.TestCase): 'cache:hits{name="cache_name"} 1', 'cache:total{name="cache_name"} 2', 'cache:size{name="cache_name"} 1', + 'cache:evicted_size{name="cache_name"} 0', + ]) + + metric.inc_evictions(2) + + self.assertEquals(metric.render(), [ + 'cache:hits{name="cache_name"} 1', + 'cache:total{name="cache_name"} 2', + 'cache:size{name="cache_name"} 1', + 'cache:evicted_size{name="cache_name"} 2', ]) diff --git a/tests/replication/slave/storage/test_events.py b/tests/replication/slave/storage/test_events.py index 105e1228bb..f430cce931 100644 --- a/tests/replication/slave/storage/test_events.py +++ b/tests/replication/slave/storage/test_events.py @@ -226,11 +226,9 @@ class SlavedEventStoreTestCase(BaseSlavedStoreTestCase): context = EventContext() context.current_state_ids = state_ids context.prev_state_ids = state_ids - elif not backfill: + else: state_handler = self.hs.get_state_handler() context = yield state_handler.compute_event_context(event) - else: - context = EventContext() context.push_actions = push_actions diff --git a/tests/rest/media/__init__.py b/tests/rest/media/__init__.py new file mode 100644 index 0000000000..a354d38ca8 --- /dev/null +++ b/tests/rest/media/__init__.py @@ -0,0 +1,14 @@ +# -*- coding: utf-8 -*- +# Copyright 2018 New Vector Ltd +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. diff --git a/tests/rest/media/v1/__init__.py b/tests/rest/media/v1/__init__.py new file mode 100644 index 0000000000..a354d38ca8 --- /dev/null +++ b/tests/rest/media/v1/__init__.py @@ -0,0 +1,14 @@ +# -*- coding: utf-8 -*- +# Copyright 2018 New Vector Ltd +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. diff --git a/tests/rest/media/v1/test_media_storage.py b/tests/rest/media/v1/test_media_storage.py new file mode 100644 index 0000000000..eef38b6781 --- /dev/null +++ b/tests/rest/media/v1/test_media_storage.py @@ -0,0 +1,86 @@ +# -*- coding: utf-8 -*- +# Copyright 2018 New Vector Ltd +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + + +from twisted.internet import defer + +from synapse.rest.media.v1._base import FileInfo +from synapse.rest.media.v1.media_storage import MediaStorage +from synapse.rest.media.v1.filepath import MediaFilePaths +from synapse.rest.media.v1.storage_provider import FileStorageProviderBackend + +from mock import Mock + +from tests import unittest + +import os +import shutil +import tempfile + + +class MediaStorageTests(unittest.TestCase): + def setUp(self): + self.test_dir = tempfile.mkdtemp(prefix="synapse-tests-") + + self.primary_base_path = os.path.join(self.test_dir, "primary") + self.secondary_base_path = os.path.join(self.test_dir, "secondary") + + hs = Mock() + hs.config.media_store_path = self.primary_base_path + + storage_providers = [FileStorageProviderBackend( + hs, self.secondary_base_path + )] + + self.filepaths = MediaFilePaths(self.primary_base_path) + self.media_storage = MediaStorage( + self.primary_base_path, self.filepaths, storage_providers, + ) + + def tearDown(self): + shutil.rmtree(self.test_dir) + + @defer.inlineCallbacks + def test_ensure_media_is_in_local_cache(self): + media_id = "some_media_id" + test_body = "Test\n" + + # First we create a file that is in a storage provider but not in the + # local primary media store + rel_path = self.filepaths.local_media_filepath_rel(media_id) + secondary_path = os.path.join(self.secondary_base_path, rel_path) + + os.makedirs(os.path.dirname(secondary_path)) + + with open(secondary_path, "w") as f: + f.write(test_body) + + # Now we run ensure_media_is_in_local_cache, which should copy the file + # to the local cache. + file_info = FileInfo(None, media_id) + local_path = yield self.media_storage.ensure_media_is_in_local_cache(file_info) + + self.assertTrue(os.path.exists(local_path)) + + # Asserts the file is under the expected local cache directory + self.assertEquals( + os.path.commonprefix([self.primary_base_path, local_path]), + self.primary_base_path, + ) + + with open(local_path) as f: + body = f.read() + + self.assertEqual(test_body, body) diff --git a/tests/storage/test_redaction.py b/tests/storage/test_redaction.py index 6afaca3a61..888ddfaddd 100644 --- a/tests/storage/test_redaction.py +++ b/tests/storage/test_redaction.py @@ -36,8 +36,7 @@ class RedactionTestCase(unittest.TestCase): self.store = hs.get_datastore() self.event_builder_factory = hs.get_event_builder_factory() - self.handlers = hs.get_handlers() - self.message_handler = self.handlers.message_handler + self.event_creation_handler = hs.get_event_creation_handler() self.u_alice = UserID.from_string("@alice:test") self.u_bob = UserID.from_string("@bob:test") @@ -59,7 +58,7 @@ class RedactionTestCase(unittest.TestCase): "content": content, }) - event, context = yield self.message_handler._create_new_client_event( + event, context = yield self.event_creation_handler.create_new_client_event( builder ) @@ -79,7 +78,7 @@ class RedactionTestCase(unittest.TestCase): "content": {"body": body, "msgtype": u"message"}, }) - event, context = yield self.message_handler._create_new_client_event( + event, context = yield self.event_creation_handler.create_new_client_event( builder ) @@ -98,7 +97,7 @@ class RedactionTestCase(unittest.TestCase): "redacts": event_id, }) - event, context = yield self.message_handler._create_new_client_event( + event, context = yield self.event_creation_handler.create_new_client_event( builder ) diff --git a/tests/storage/test_roommember.py b/tests/storage/test_roommember.py index 1be7d932f6..657b279e5d 100644 --- a/tests/storage/test_roommember.py +++ b/tests/storage/test_roommember.py @@ -37,8 +37,7 @@ class RoomMemberStoreTestCase(unittest.TestCase): # storage logic self.store = hs.get_datastore() self.event_builder_factory = hs.get_event_builder_factory() - self.handlers = hs.get_handlers() - self.message_handler = self.handlers.message_handler + self.event_creation_handler = hs.get_event_creation_handler() self.u_alice = UserID.from_string("@alice:test") self.u_bob = UserID.from_string("@bob:test") @@ -58,7 +57,7 @@ class RoomMemberStoreTestCase(unittest.TestCase): "content": {"membership": membership}, }) - event, context = yield self.message_handler._create_new_client_event( + event, context = yield self.event_creation_handler.create_new_client_event( builder ) diff --git a/tests/test_state.py b/tests/test_state.py index feb84f3d48..a5c5e55951 100644 --- a/tests/test_state.py +++ b/tests/test_state.py @@ -19,7 +19,7 @@ from twisted.internet import defer from synapse.events import FrozenEvent from synapse.api.auth import Auth from synapse.api.constants import EventTypes, Membership -from synapse.state import StateHandler +from synapse.state import StateHandler, StateResolutionHandler from .utils import MockClock @@ -80,14 +80,14 @@ class StateGroupStore(object): return defer.succeed(groups) - def store_state_groups(self, event, context): - if context.current_state_ids is None: - return + def store_state_group(self, event_id, room_id, prev_group, delta_ids, + current_state_ids): + state_group = self._next_group + self._next_group += 1 - state_events = dict(context.current_state_ids) + self._group_to_state[state_group] = dict(current_state_ids) - self._group_to_state[context.state_group] = state_events - self._event_to_state_group[event.event_id] = context.state_group + return state_group def get_events(self, event_ids, **kwargs): return { @@ -95,10 +95,19 @@ class StateGroupStore(object): if e_id in self._event_id_to_event } + def get_state_group_delta(self, name): + return (None, None) + def register_events(self, events): for e in events: self._event_id_to_event[e.event_id] = e + def register_event_context(self, event, context): + self._event_to_state_group[event.event_id] = context.state_group + + def register_event_id_state_group(self, event_id, state_group): + self._event_to_state_group[event_id] = state_group + class DictObj(dict): def __init__(self, **kwargs): @@ -137,25 +146,16 @@ class Graph(object): class StateTestCase(unittest.TestCase): def setUp(self): - self.store = Mock( - spec_set=[ - "get_state_groups_ids", - "add_event_hashes", - "get_events", - "get_next_state_group", - "get_state_group_delta", - ] - ) + self.store = StateGroupStore() hs = Mock(spec_set=[ "get_datastore", "get_auth", "get_state_handler", "get_clock", + "get_state_resolution_handler", ]) hs.get_datastore.return_value = self.store hs.get_state_handler.return_value = None hs.get_clock.return_value = MockClock() hs.get_auth.return_value = Auth(hs) - - self.store.get_next_state_group.side_effect = Mock - self.store.get_state_group_delta.return_value = (None, None) + hs.get_state_resolution_handler = lambda: StateResolutionHandler(hs) self.state = StateHandler(hs) self.event_id = 0 @@ -195,14 +195,13 @@ class StateTestCase(unittest.TestCase): } ) - store = StateGroupStore() - self.store.get_state_groups_ids.side_effect = store.get_state_groups_ids + self.store.register_events(graph.walk()) context_store = {} for event in graph.walk(): context = yield self.state.compute_event_context(event) - store.store_state_groups(event, context) + self.store.register_event_context(event, context) context_store[event.event_id] = context self.assertEqual(2, len(context_store["D"].prev_state_ids)) @@ -247,16 +246,13 @@ class StateTestCase(unittest.TestCase): } ) - store = StateGroupStore() - self.store.get_state_groups_ids.side_effect = store.get_state_groups_ids - self.store.get_events = store.get_events - store.register_events(graph.walk()) + self.store.register_events(graph.walk()) context_store = {} for event in graph.walk(): context = yield self.state.compute_event_context(event) - store.store_state_groups(event, context) + self.store.register_event_context(event, context) context_store[event.event_id] = context self.assertSetEqual( @@ -313,16 +309,13 @@ class StateTestCase(unittest.TestCase): } ) - store = StateGroupStore() - self.store.get_state_groups_ids.side_effect = store.get_state_groups_ids - self.store.get_events = store.get_events - store.register_events(graph.walk()) + self.store.register_events(graph.walk()) context_store = {} for event in graph.walk(): context = yield self.state.compute_event_context(event) - store.store_state_groups(event, context) + self.store.register_event_context(event, context) context_store[event.event_id] = context self.assertSetEqual( @@ -396,16 +389,13 @@ class StateTestCase(unittest.TestCase): self._add_depths(nodes, edges) graph = Graph(nodes, edges) - store = StateGroupStore() - self.store.get_state_groups_ids.side_effect = store.get_state_groups_ids - self.store.get_events = store.get_events - store.register_events(graph.walk()) + self.store.register_events(graph.walk()) context_store = {} for event in graph.walk(): context = yield self.state.compute_event_context(event) - store.store_state_groups(event, context) + self.store.register_event_context(event, context) context_store[event.event_id] = context self.assertSetEqual( @@ -465,7 +455,11 @@ class StateTestCase(unittest.TestCase): @defer.inlineCallbacks def test_trivial_annotate_message(self): - event = create_event(type="test_message", name="event") + prev_event_id = "prev_event_id" + event = create_event( + type="test_message", name="event2", + prev_events=[(prev_event_id, {})], + ) old_state = [ create_event(type="test1", state_key="1"), @@ -473,11 +467,11 @@ class StateTestCase(unittest.TestCase): create_event(type="test2", state_key=""), ] - group_name = "group_name_1" - - self.store.get_state_groups_ids.return_value = { - group_name: {(e.type, e.state_key): e.event_id for e in old_state}, - } + group_name = self.store.store_state_group( + prev_event_id, event.room_id, None, None, + {(e.type, e.state_key): e.event_id for e in old_state}, + ) + self.store.register_event_id_state_group(prev_event_id, group_name) context = yield self.state.compute_event_context(event) @@ -490,7 +484,11 @@ class StateTestCase(unittest.TestCase): @defer.inlineCallbacks def test_trivial_annotate_state(self): - event = create_event(type="state", state_key="", name="event") + prev_event_id = "prev_event_id" + event = create_event( + type="state", state_key="", name="event2", + prev_events=[(prev_event_id, {})], + ) old_state = [ create_event(type="test1", state_key="1"), @@ -498,11 +496,11 @@ class StateTestCase(unittest.TestCase): create_event(type="test2", state_key=""), ] - group_name = "group_name_1" - - self.store.get_state_groups_ids.return_value = { - group_name: {(e.type, e.state_key): e.event_id for e in old_state}, - } + group_name = self.store.store_state_group( + prev_event_id, event.room_id, None, None, + {(e.type, e.state_key): e.event_id for e in old_state}, + ) + self.store.register_event_id_state_group(prev_event_id, group_name) context = yield self.state.compute_event_context(event) @@ -515,7 +513,12 @@ class StateTestCase(unittest.TestCase): @defer.inlineCallbacks def test_resolve_message_conflict(self): - event = create_event(type="test_message", name="event") + prev_event_id1 = "event_id1" + prev_event_id2 = "event_id2" + event = create_event( + type="test_message", name="event3", + prev_events=[(prev_event_id1, {}), (prev_event_id2, {})], + ) creation = create_event( type=EventTypes.Create, state_key="" @@ -535,12 +538,12 @@ class StateTestCase(unittest.TestCase): create_event(type="test4", state_key=""), ] - store = StateGroupStore() - store.register_events(old_state_1) - store.register_events(old_state_2) - self.store.get_events = store.get_events + self.store.register_events(old_state_1) + self.store.register_events(old_state_2) - context = yield self._get_context(event, old_state_1, old_state_2) + context = yield self._get_context( + event, prev_event_id1, old_state_1, prev_event_id2, old_state_2, + ) self.assertEqual(len(context.current_state_ids), 6) @@ -548,7 +551,12 @@ class StateTestCase(unittest.TestCase): @defer.inlineCallbacks def test_resolve_state_conflict(self): - event = create_event(type="test4", state_key="", name="event") + prev_event_id1 = "event_id1" + prev_event_id2 = "event_id2" + event = create_event( + type="test4", state_key="", name="event", + prev_events=[(prev_event_id1, {}), (prev_event_id2, {})], + ) creation = create_event( type=EventTypes.Create, state_key="" @@ -573,7 +581,9 @@ class StateTestCase(unittest.TestCase): store.register_events(old_state_2) self.store.get_events = store.get_events - context = yield self._get_context(event, old_state_1, old_state_2) + context = yield self._get_context( + event, prev_event_id1, old_state_1, prev_event_id2, old_state_2, + ) self.assertEqual(len(context.current_state_ids), 6) @@ -581,7 +591,12 @@ class StateTestCase(unittest.TestCase): @defer.inlineCallbacks def test_standard_depth_conflict(self): - event = create_event(type="test4", name="event") + prev_event_id1 = "event_id1" + prev_event_id2 = "event_id2" + event = create_event( + type="test4", name="event", + prev_events=[(prev_event_id1, {}), (prev_event_id2, {})], + ) member_event = create_event( type=EventTypes.Member, @@ -613,7 +628,9 @@ class StateTestCase(unittest.TestCase): store.register_events(old_state_2) self.store.get_events = store.get_events - context = yield self._get_context(event, old_state_1, old_state_2) + context = yield self._get_context( + event, prev_event_id1, old_state_1, prev_event_id2, old_state_2, + ) self.assertEqual( old_state_2[2].event_id, context.current_state_ids[("test1", "1")] @@ -637,19 +654,26 @@ class StateTestCase(unittest.TestCase): store.register_events(old_state_1) store.register_events(old_state_2) - context = yield self._get_context(event, old_state_1, old_state_2) + context = yield self._get_context( + event, prev_event_id1, old_state_1, prev_event_id2, old_state_2, + ) self.assertEqual( old_state_1[2].event_id, context.current_state_ids[("test1", "1")] ) - def _get_context(self, event, old_state_1, old_state_2): - group_name_1 = "group_name_1" - group_name_2 = "group_name_2" + def _get_context(self, event, prev_event_id_1, old_state_1, prev_event_id_2, + old_state_2): + sg1 = self.store.store_state_group( + prev_event_id_1, event.room_id, None, None, + {(e.type, e.state_key): e.event_id for e in old_state_1}, + ) + self.store.register_event_id_state_group(prev_event_id_1, sg1) - self.store.get_state_groups_ids.return_value = { - group_name_1: {(e.type, e.state_key): e.event_id for e in old_state_1}, - group_name_2: {(e.type, e.state_key): e.event_id for e in old_state_2}, - } + sg2 = self.store.store_state_group( + prev_event_id_2, event.room_id, None, None, + {(e.type, e.state_key): e.event_id for e in old_state_2}, + ) + self.store.register_event_id_state_group(prev_event_id_2, sg2) return self.state.compute_event_context(event) |